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  • on 02-12-2009

    NetLibrary - Online Reader

    This should do it...............they should be in the second half

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    NetLibrary - Online Reader

      • page 5 comment by akieser
      • Selectionism is related to evolutionary theory in that it views
        the complexity of behavior to be a function of selection contingencies
        found in nature (Donahoe, 1991; Donahoe & Palmer,
        1989; Layng, 1991; Skinner, 1969, 1981
        comment by akieser
        • “a robot, which behaved precisely like a person,
          responding in the same way to stimuli, changing its behavior
          as a result of the same operations, would be indistinguishable
          from a real person, even though,” as Skinner goes on to say,
          “it would not have feelings, sensations, or ideas.”

          Perhaps most importantly, and in a less theoretical vein, has
          been the rise of distance learning; particularly for those on the
          bleeding edge of “any time, any place,” asynchronous learning.
          In this arena, issues of scalability, cost effectiveness, maximization
          of the learner’s time, value added, etc. has brought to the
          forefront behavioral paradigms that had fallen from favor in
          many circles. A reemergence of technologies such as personalized
          system instruction (Keller & Sherman, 1974) is clear in
          the literature. In our last chapterwe addressed these models
          comment by akieser
          • Probably no psychologist in the modern era has been as misunderstood,
            misquoted, misjudged, and just plain maligned as
            B. F. Skinner and his Skinnerian, or radical, behaviorism
            pg 6
            comment by akieser
            • It is important to begin this discussion with what radical behaviorism
              rejects: structuralism (mind–body dualism), operationalism,
              and logical positivism.
              pg.6

              According to this article, Skinner was a radical behaviorist
              comment by akieser
              • Two issues which Skinnerian behaviorism is clear on, but not
                apparently well understood but by critics, are the roles of private
                events and social/cultural influences
                pg 7
                comment by akieser
                • The influence of the social group, of culture, runs through all
                  of Skinner’s work (see, e.g., Skinner, 1945, 1953b, 1957, 1964,
                  1974). For this reason, much of this work focuses on language
                  comment by akieser
                  • Although it is dangerous to focus too hard on the “data”
                    alone, Skinner (1974) also cautions against depending exclusively
                    on the social/cultural stimuli and reinforcers for explanations,
                    as is often the case with current approaches

                    How does this relate to the those who are advocating the use of social media for learning?
                    comment by akieser
                    • oops...p8 comment by akieser
                    • Behaviorism in the United States may be traced to the work
                      of E. B. Twitmeyer (1902), a graduate student at the University
                      of Pennsylvania, and E. L. Thorndike (1898).

                      p 7
                      comment by akieser
                      • Behaviorism, however, is in a paradoxical place in American education
                        today. In a very real sense, behavioral theory is the basis
                        for innovations such as teaching machines, computer-assisted instruction,
                        competency-based education (mastery learning), instructional
                        design, minimal competency testing, performancebased
                        assessment, “educational accountability,” situated cognition,
                        and even social constructivism, yet behaviorism is no
                        longer a “popular” orientation in education or instructional design.
                        An exploration of behaviorism, its contributions to research
                        and current practice in educational technology (despite
                        its recent unpopularity), and its usefulness in the future are the
                        concerns of this chapter.

                        p8
                        comment by akieser
                        • Basic Assumptions of BTheory on Instructional Technology:
                          Role of Learner, Nature of Learning, Generality of learning Process and instructional procedures
                          p.9
                          comment by akieser
                          • Role of Learner
                            Skinner goes on to explain how learners learn by doing, experiencing,
                            and engaging in trial and error. All three of these
                            components work together and must be studied together to formulate
                            any given instance of learning. It is only when these three
                            components are describable that we can identify what has been
                            learned, under what conditions the learning has taken place, and
                            the consequences that support and maintain the learned behavior.
                            The emphasis is on the active responding of the learner—the
                            learner must be engaged in the behavior in order to learn and
                            to validate that learning has occurred.
                            p.9
                            comment by akieser
                            • Nature of Learning

                              Learning is frequently defined as a change in behavior due to experience.

                              Stimulus events = Response Events = Consequence

                              Contingency - dependency btwn event and response or consequence.
                              p.9
                              comment by akieser
                              • Nature of Learner

                                Focus on individual in learning process
                                The goals are then written in terms of what the learner will accomplish via instructional event. p/9


                                comment by akieser
                                • Behavioral theory has contributed several important concepts
                                  and principles to the research and development of instructional
                                  technology. Three major types of behavior, respondent learning,
                                  operant learning, and observational learning, serve as the organizer for this section. Each of these models relies on the building associations—the simplest unit that is learned—under the conditions of contiguity and repetition (Gagn´e, 1985).
                                  p10
                                  comment by akieser
                                  • Behavioral theory addresses the key issues of complex learning,
                                    problem solving, and transfer using the same concepts
                                    and principles found in the everyday human experience. Complex
                                    learning is developed through the learning of chained behaviors
                                    (Gagn´e, 1985). Using the basic operant conditioning
                                    functional relationship, through practice and contiguity, the
                                    consequence takes on a dual role as the stimulus for the subsequent
                                    opera
                                    p11
                                    comment by akieser
                                    • Behavioral Roots of Instructional Technology

                                      Carpenter (1962) developed several hypotheses based upon his interpretations ofthe research on media and learning and include the following
                                      possibilities:
                                      1. The most effective learning will take place when there is
                                      similarity between the stimulus material (presented via a
                                      medium) and the criterion or learned performance.
                                      2. Repetition of stimulus materials and the learning response is
                                      a major condition for most kinds of learning.
                                      3. Stimulus materials which are accurate, correct, and subject
                                      to validation can increase the opportunity for learning to take
                                      place.
                                      4. An important condition is the relationship between a behavior
                                      and its consequences. Learning will occur when the behavior
                                      is “reinforced” (Skinner, 1968). This reinforcement,
                                      by definition, should be immediately after the response.
                                      5. Carefully sequenced combinations of knowledge and skills
                                      presented in logical and limited steps will be the most effective
                                      for most types of learning.
                                      comment by akieser
                                      • The standard view is that people represent information in their
                                        minds as single or aggregated sets of symbols, and that cognitive
                                        activity consists of operating on these symbols by applying to
                                        them learned plans, or algorithms. This view reflects the analogy
                                        that the brain works in the same way as a computer (Boden,
                                        1988; Johnson-Laird, 1988), a view that inspired, and was perpetuated
                                        by, several decades of research and development in
                                        artificial intelligence.
                                        p.79
                                        comment by akieser
                                        • (1) There is some direct relationship, or “mapping,”
                                          between internal representations and the world outside, and
                                          this mapping includes representations that are analogous to objects
                                          and events in the real world, that is, mental images look to
                                          the mind’s eye like the perceived phenomena from which they
                                          were first created (Kosslyn, 1985). (2) There is both a physical
                                          and phenomenological separation between the mental and
                                          the physical world, that is, perception of the world translates
                                          objects and events into representations that mental operations
                                          can work on, and the altered representations are in turn translated
                                          into behaviors and their outcomes that are observable in
                                          p79
                                          comment by akieser
                                          • premise continued

                                            the external world. (3) This separation applies to the timing as
                                            well as to the location of cognitive action. Clark (1997, p. 105)
                                            calls the way that traditional cognitive theory conceives of the
                                            interaction between learner and environment “catch and toss.”
                                            Information is “caught” from the environment, processed, and
                                            “tossed” back without coordination with or sensitivity to the
                                            real dynamics of the interaction. (4) Internal representations
                                            are idiosyncratic and only partially accurate. However, there is
                                            a standard and stable world out there toward which experience
                                            and education will slowly lead us, that is, there are correct answers
                                            to questions about the world and correct solutions to the
                                            problems that it presents
                                            comment by akieser
                                            • Computational view of cognition
                                              Constructivists prorpse an altenative view to the computational view
                                              comment by akieser
                                              • radical constructivisim has been criticized as being unscientific. If learning is based on the personal environment of the learner, it could be possible that they are constructing "wrong" knowledge. What role do the mechanisms of learning play in the constructionof knowledge?

                                                the National Research Council (Shavelson &
                                                Towne, 2002), which argues that education must be based on
                                                good science. p.80
                                                comment by akieser
                                                • Other frameworks - focus more on cognition and the mental representation and cognitive process.

                                                  1. Systems theory
                                                  2. Biological Frameworks
                                                  3. Cognitive neuroscience
                                                  4. Neural networks
                                                  comment by akieser
                                                  • A system-theoretic view of cognition
                                                    is based on the assumption that both learners and learning
                                                    environments are complex collections of interacting variables.
                                                    The learner and the environment have mutual influences on
                                                    each other. The interactions are dynamic, and do not stand still
                                                    for scrutiny by researchers. And to complicate matters, the interactions
                                                    are often nonlinear This means that effects cannot
                                                    be described by simple addition of causes

                                                    p.81
                                                    comment by akieser
                                                    • Biological Framework

                                                      relevant. This approach to our topic
                                                      raises three important points. First, what we call mind is an
                                                      emergent property of our physical brains, not something that
                                                      has divine or magical provenance and properties. This opens
                                                      the way for making a strong case that neuroscience is relevant
                                                      to education. Second, cognition is embodied in our physical
                                                      forms (Clark, 1997; Kelso, 1999; Varela et al., 1991). This implies
                                                      two further things. What we can perceive directly about
                                                      the environment, without the assistance of devices that augment
                                                      our perceptual capacities, and therefore the understandingwe
                                                      can construct directly fromit, are very limited—to visible
                                                      light, to a small range of audio frequencies, and so on (Nagel,
                                                      1974; Winn & Windschitl, 2001b). Also, we use our bodies as
                                                      tools for thinking—from counting on our fingers to using bodily
                                                      movement in virtual environments to help us solve problems
                                                      (Dede, Salzman, Loftin, & Ash, 1996; Gabert, 2001). Third, and
                                                      perhaps most important, the biological view helps us think of
                                                      learning as adaptation to an environment (Holland, 1992, 1995).
                                                      Technology has advanced to the point where we can construct
                                                      complete environments within which students can learn
                                                      comment by akieser
                                                      • Cognitive Neuroscience
                                                        First, it lets us reject, once and for
                                                        all, the unfounded and often rather odd views about the brain
                                                        that have found their way into educational literature and practice.
                                                        For example, there is no evidence from neuroscience that
                                                        some people are right brained, and some left brained. Nor is
                                                        there neurological evidence for the existence of learning styles
                                                        (Berninger & Richards, 2002). These may be metaphors for observed
                                                        human behaviors. But they are erroneously attributed to
                                                        basic neural mechanisms. Second, research in cognitive neuroscience
                                                        provides credible and empirically validated accounts of
                                                        howcognition, and the behavior it engenders, change as a result
                                                        of a person’s interaction with the environment
                                                        p81
                                                        comment by akieser
                                                        • neural networks

                                                          learn through iterative (repetitive) adaption to input
                                                          novel problems are solved by recognizing similarity to problems already know how to solve.

                                                          Even the most complex cognitive activity is an emergent property of the coordinated activation of networks of many atmoic units - exist only in two states - on and off.
                                                          p.81
                                                          comment by akieser
                                                          • Beginning of Cognitive Theory

                                                            Wundt (end of 19th cent). Psychology as discp. bc of
                                                            1) conceptual - inner world, not outer physical body
                                                            2) methodological - introspection
                                                            research - descipriton of what people were thinking when they completed a task.
                                                            comment by akieser
                                                            • many of those experiences with which we are
                                                              extremely familiar. We all experience mental images, feelings,
                                                              insight, and a whole host of other unobservable and unmeasurable
                                                              phenomena. To deny their importance is to deny much of
                                                              what it means to be human
                                                              comment by akieser
                                                              • Cognitive psychology’s reaction against the inability of behaviorism
                                                                to account for much human activity arose mainly
                                                                from a concern that the link between a stimulus and a response
                                                                was not straightforward, that there were mechanisms that intervened
                                                                to reduce the predictability of a response to a given stimulus,
                                                                and that stimulus–response accounts of complex behavior
                                                                unique to humans, like the acquisition and use of language,were
                                                                extremely convoluted and contrived. \p83
                                                                comment by akieser
                                                                • networks. Markowitsh (2000) discusses
                                                                  some of these topics, mentioning that the successful acquisition
                                                                  of information is accompanied by changes in neuronal morphology
                                                                  and long-term potentiation of interneuron connections
                                                                  comment by akieser
                                                                  • differnece with cognitive from behavioral

                                                                    Cognitive - chunking - based on st of 7 itmes
                                                                    Mental images
                                                                    p84
                                                                    comment by akieser
                                                                    • networks. Markowitsh (2000) discusses
                                                                      some of these topics, mentioning that the successful acquisition
                                                                      of information is accompanied by changes in neuronal morphology
                                                                      and long-term potentiation of interneuron connections

                                                                      networks. Markowitsh (2000) discusses
                                                                      some of these topics, mentioning that the successful acquisition
                                                                      of information is accompanied by changes in neuronal morphology
                                                                      and long-term potentiation of interneuron connections

                                                                      The method of “Loci” (Kosslyn, 1985; Yates, 1966), for
                                                                      example, requires a person to create a mental image of a familiar
                                                                      place in the mind’s eye and to place in that location images of
                                                                      objects that are to be remembered. Recall consists of mentally
                                                                      walking through the place and describing the objects you find.
                                                                      The effectiveness of this technique, which was known to the
                                                                      orators of ancient Greece, has been demonstrated empirically
                                                                      comment by akieser
                                                                      • Wolfram (2002) goes so far as to claim that every
                                                                        action, whether natural or man-made, including all cognitive
                                                                        activity, is a “program” that can be recreated and run on a computer.
                                                                        Wolfram’s theory is provocative, as yet unsubstantiated,
                                                                        but will doubtless be talked about in the literature for the next
                                                                        little while.

                                                                        Cognitive science = theory around computational instead of biological.

                                                                        Additional roles of computer in cs = cognitive activity is computer-like
                                                                        cs = theory and impetus to crate programs to think like we do - rise of ai

                                                                        comment by akieser
                                                                        • Summary of Section

                                                                          Wolfram (2002) goes so far as to claim that every
                                                                          action, whether natural or man-made, including all cognitive
                                                                          activity, is a “program” that can be recreated and run on a computer.
                                                                          Wolfram’s theory is provocative, as yet unsubstantiated,
                                                                          but will doubtless be talked about in the literature for the next
                                                                          little while
                                                                          Cognitive science now critiqued bc of computational theory and functiionalism
                                                                          comment by akieser
                                                                          • 3 focuses:

                                                                            1. Ed teach research needs to catch up with developments in psych theory

                                                                            2. Tech dev into multimedia permit ed tech to develop serious alternatives to didactic instruction. Help student construct meaning.

                                                                            3. proposed alternatives to comptue models = concept foundation for educational developments of virutal realities
                                                                            comment by akieser
                                                                            • 4.3.1 Schema Theory
                                                                              The concept of schema is central to early cognitive theories of
                                                                              representation. There are many descriptions of what schemata
                                                                              are. All descriptions concur that a schema has the following
                                                                              characteristics: (1) It is an organized structure that exists in
                                                                              memory and, in aggregate with all other schemata, contains the
                                                                              sum of our knowledge of the world (Paivio, 1974). (2) It exists
                                                                              at a higher level of generality, or abstraction, than our immediate
                                                                              experience with the world. (3) It is dynamic, amenable
                                                                              to change by general experience or through instruction. (4) It
                                                                              provides a context for interpreting new knowledge as well as a
                                                                              structure to hold it. Each of these features requires comment.

                                                                              p84
                                                                              comment by akieser
                                                                              • Schema; Dynamic
                                                                                Learning takes place by accretion, by
                                                                                schema tuning, or by schema creation p86
                                                                                comment by akieser
                                                                                • theories of representation). The first concerns the assumption,
                                                                                  and attempts to support it, that schemata can be more effectively
                                                                                  built and activated if the material that students encounter
                                                                                  is somehowisomorphic to the putative structure of the schema.
                                                                                  This line of research extends into the realm of cognitive theory
                                                                                  earlier attempts to propose and validate a theory of audiovisual
                                                                                  (usually more visual than audio) education and concerns the role
                                                                                  of pictorial and graphic illustration in instruction (Carpenter,
                                                                                  1953; Dale, 1946; Dwyer, 1972, 1978, 1987).
                                                                                  The second way in which educational technology has used
                                                                                  schema theory has been to develop and apply techniques for
                                                                                  students to use to impose structure on what they learn and
                                                                                  thus make it more memorable. These techniques are referred
                                                                                  to, collectively, by the term “information mapping.”
                                                                                  The third line of research consists of attempts to use
                                                                                  schemata to represent information in a computer and thereby to
                                                                                  enable the machine to interact with information in ways analogous
                                                                                  to human assimilation and accommodation. This brings us
                                                                                  to a consideration of the role of schemata, or “scripts” (Schank
                                                                                  & Abelson, 1977) or “plans” (Minsky, 1975) in AI and “intelligent”
                                                                                  instructional
                                                                                  p87
                                                                                  comment by akieser
                                                                                  • Schemata and information mapping -
                                                                                    informaiton mapping has been shown to be effective
                                                                                    comment by akieser
                                                                                    • All of this seems to suggest that imagery-based and
                                                                                      information-structuring strategies based on graphics have been
                                                                                      extremely useful in practice. Tversky (2001) provides a summary
                                                                                      and analysis of research into graphical techniques that
                                                                                      exploit both the analog (imagery-based) and metaphorical
                                                                                      (information-organizing) properties of all manner of images. Her
                                                                                      summary shows that they can be effective.
                                                                                      comment by akieser
                                                                                      • However, there are two properties of mental models
                                                                                        that make them somewhat different from schemata. Mayer
                                                                                        (1992, p. 431) identifies these as (1) representations of objects
                                                                                        in whatever the model describes and (2) descriptions of how
                                                                                        changes in one object effect changes in another. Roughly speaking,
                                                                                        a mental model is broader in conception than a schema because
                                                                                        it specifies causal actions among objects that take place
                                                                                        within it.
                                                                                        comment by akieser
                                                                                        • Cognitive theory’s challenges to the predictability of behavior
                                                                                          are numerous and have been described in detail elsewhere
                                                                                          (Winn, 1987, 1990, 1993b). The main points may be summarized
                                                                                          as follows:
                                                                                          1. Instructional theory is incomplete. This point is trivial at first
                                                                                          glance. However, it reminds us that there is not a prescription
                                                                                          for every possible combination of instructional conditions,
                                                                                          methods and outcomes. In fact, instructional designers
                                                                                          frequently have to select strategies without guidance from
                                                                                          instructional theory. This means that there are often times
                                                                                          when there are no prescriptions with which to predict student
                                                                                          behavior.
                                                                                          2. Mediating cognitive variables differ in their nature and effect
                                                                                          from individual to individual. There is a good chance
                                                                                          that everyone’s response to the same stimulus will be different
                                                                                          because everyone’s experiences, in relation to which the
                                                                                          stimulus will be processed, are different. The role of individual
                                                                                          differences in learning and their relevance to the selection
                                                                                          of instructional strategies has been a prominent theme
                                                                                          in cognitive theory for more than three decades (Cronbach
                                                                                          & Snow, 1977; Snow, 1992). Individual differences make it
                                                                                          extremely difficult to predict learning outcomes for two reasons.
                                                                                          First, to choose effective strategies for students, itwould
                                                                                          be necessary to know far more about the student than is
                                                                                          easily discovered. The designer would need to know the student’s
                                                                                          aptitude for learning the given knowledge or skills, the
                                                                                          student’s prior knowledge, motivation, beliefs about the likelihood
                                                                                          of success, level of anxiety, and stage of intellectual
                                                                                          development. Such a prospect would prove daunting even
                                                                                          to the most committed determinist! Second, for prescriptive
                                                                                          comment by akieser

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  • on 01-27-2009

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