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Solution                                    Problem domain




                         Problem




       Problem-Solving
                                    Problem Type
       Process/Schema
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Problem schema activated



  Construct
                 No schemas     Search for      Implement
   Problem                                                  Succeed   Stop
                  activated      Solutions       Solution
Representation

                                                   Fail
Problem schema activated



  Construct
                 No schemas     Search for      Implement
   Problem                                                  Succeed    Stop
                  activated      Solutions       Solution
Representation

                                                   Fail




   •   WHAT DO I NEED TO PRODUCE HERE? WHAT IS AN ACCEPTABLE SOLUTION
       GOING TO LOOK LIKE? WHAT ARE THE GIVENS?

   •   DECOMPOSE PROBLEM STATEMENT AND MAP PROBLEM TO PRIOR
       KNOWLEDGE

   •   IF LEARNER POSSESSES COMPLETE SCHEMA, PROBLEM CAN BE MAPPED ONTO
       PROBLEM SCHEMA

   •   “EXPERTS ARE BETTER PROBLEM SOLVERS BECAUSE THEY RECOGNIZE DIFFERENT
       PROBLEM STATES WHICH INVOKE CERTAIN SOLUTIONS” (SWELLER, 1988).
Problem schema activated



  Construct
                 No schemas        Search for        Implement
   Problem                                                          Succeed          Stop
                  activated         Solutions         Solution
Representation

                                                         Fail


    Recall Analogical            Means-End        Decomposing and
                                                                          Generate/Test
       Problems                   Analysis           Simplifying
   •Very natural step;        •Isolate goals to   •Break down          •Least structured
    usually 1st                be achieved and     problem into         and weakest
    method                     select means to     subproblems          method
   •Have I                     achieve goals                           •Brainstorm
    experienced a             •What is the most                         possible solutions
    similar problem?           important
                               difference?
                               Reduce
                               discrepancies
                              •Impedes schema
                               acquisition;
                               should focus
                               selectively on
                               aspects of
                               problem
Problem schema activated



  Construct
                 No schemas     Search for      Implement
   Problem                                                  Succeed         Stop
                  activated      Solutions       Solution
Representation

                                                   Fail




   •   TEST PROCEDURES: IF SOLUTION WORKS, PROBLEM IS SOLVED; IF SOLUTION
       FAILS TO WORK, LEARNER GENERATES NEW HYPOTHESIS

   •   IDENTIFYING CLUES FROM FAILED ATTEMPTS AND USING THEM IS DIFFICULT
Designing and Developing Well-Structured
Problem Solving Instruction




 Step 1: Review Prerequisite Component
  Concepts, Rules, and Principles
 Step 2:Present Conceptual or Causal
  Model of Problem Domain
 Step 3: Model Problem Solving
  Performance in Worked Examples
 Step 4: Present Practice Problems
 Step 5: Support the Search for Solutions
 Step 6: Reflect on Problem State and
  Problem Solution
Identify and Clarify
  Articulate Problem     Alternative Opinions,
                                                    Generate Possible
Space and Contextual         Positions, and
                                                    Problem Solutions
      Constraints           Perspectives of
                             Stakeholders




                                                     Assess Viability of
                                                  Alternative Solutions by
Implement and Monitor   Monitor Problem Space
                                                 Constructing Arguments
      Solution           and Solution Options
                                                 and Articulating Personal
                                                           Beliefs




   Adapt Solution
Identify and Clarify
  Articulate Problem               Alternative Opinions,
                                                                   Generate Possible
Space and Contextual                   Positions, and
                                                                   Problem Solutions
      Constraints                     Perspectives of
                                       Stakeholders




                                                                    Assess Viability of
                                                                 Alternative Solutions by
Implement and Monitor             Monitor Problem Space
                                                                Constructing Arguments
      Solution                     and Solution Options
                                                                and Articulating Personal
                                                                          Beliefs


                        •   DOES A PROBLEM REALLY EXIST? WHAT IS THE NATURE OF THE
                            PROBLEM?

                        •   MAY HAVE MULTIPLE REPRESENTATIONS OR UNDERSTANDINGS

   Adapt Solution
                        •   THINK ABOUT PROBLEM AS REALISTIC SITUATIONS
Identify and Clarify
  Articulate Problem               Alternative Opinions,
                                                                  Generate Possible
Space and Contextual                   Positions, and
                                                                  Problem Solutions
      Constraints                     Perspectives of
                                       Stakeholders




                                                                   Assess Viability of
                                                                Alternative Solutions by
Implement and Monitor             Monitor Problem Space
                                                               Constructing Arguments
      Solution                     and Solution Options
                                                               and Articulating Personal
                                                                         Beliefs


                        •   CONSTRUCT MULTIPLE PROBLEM SPACES DEPENDING ON SITUATION
                        •   DECIDE WHICH PROBLEM SCHEMA IS MOST RELEVANT AND USEFUL
                            FOR SOLVING THE PROBLEM (SINNOTT, 1989)

   Adapt Solution
                        •   PERCEIVE AND RECONCILE DIFFERENT INTERPRETATIONS OF
                            PHENOMENA
Identify and Clarify
  Articulate Problem               Alternative Opinions,
                                                                   Generate Possible
Space and Contextual                   Positions, and
                                                                   Problem Solutions
      Constraints                     Perspectives of
                                       Stakeholders




                                                                    Assess Viability of
                                                                 Alternative Solutions by
Implement and Monitor             Monitor Problem Space
                                                                Constructing Arguments
      Solution                     and Solution Options
                                                                and Articulating Personal
                                                                          Beliefs


                        •   MULTIPLE SOLUTIONS BECAUSE THERE ARE MULTIPLE
                            REPRESENTATIONS OF THE PROBLEM

                        •   GENERATING SOLUTIONS IS A CREATIVE PROCESS AND RELIES ON
                            UNRELATED THOUGHTS AND EMOTIONS (SINNOTT, 1989)
   Adapt Solution
Identify and Clarify
  Articulate Problem               Alternative Opinions,
                                                                   Generate Possible
Space and Contextual                   Positions, and
                                                                   Problem Solutions
      Constraints                     Perspectives of
                                       Stakeholders




                                                                    Assess Viability of
                                                                 Alternative Solutions by
Implement and Monitor             Monitor Problem Space
                                                                Constructing Arguments
      Solution                     and Solution Options
                                                                and Articulating Personal
                                                                          Beliefs


                        •   SOLUTION SHOULD ASSUME FORM OF AN ARGUMENT FOR A
                            PREFERRED SOLUTION

                        •   SELECT/CONSTRUCT VIABLE SOLUTION, REFLECT, AND JUSTIFY

   Adapt Solution
Identify and Clarify
  Articulate Problem                 Alternative Opinions,
                                                                Generate Possible
Space and Contextual                     Positions, and
                                                                Problem Solutions
      Constraints                       Perspectives of
                                         Stakeholders




                                                                 Assess Viability of
                                                              Alternative Solutions by
Implement and Monitor               Monitor Problem Space
                                                             Constructing Arguments
      Solution                       and Solution Options
                                                             and Articulating Personal
                                                                       Beliefs


                        •   REFLECT NOT ONLY ON WHAT YOU KNOW, BUT ALSO ON WHAT I
                            MEANS

                        •   CONSIDER WHAT OTHERS BELIEVE AND DEVELOP ARGUMENTS TO
                            SUPPORT MENTAL MODEL OF PROBLEM SPACE
   Adapt Solution
Identify and Clarify
  Articulate Problem               Alternative Opinions,
                                                                Generate Possible
Space and Contextual                   Positions, and
                                                                Problem Solutions
      Constraints                     Perspectives of
                                       Stakeholders




                                                                 Assess Viability of
                                                              Alternative Solutions by
Implement and Monitor             Monitor Problem Space
                                                             Constructing Arguments
      Solution                     and Solution Options
                                                             and Articulating Personal
                                                                       Beliefs


                        •   MONITOR PERFORMANCE OF ELEMENTS IN PROBLEM TO SEE HOW
                            THEY PERFORM




   Adapt Solution
Identify and Clarify
  Articulate Problem               Alternative Opinions,
                                                               Generate Possible
Space and Contextual                   Positions, and
                                                               Problem Solutions
      Constraints                     Perspectives of
                                       Stakeholders




                                                                Assess Viability of
                                                             Alternative Solutions by
Implement and Monitor             Monitor Problem Space
                                                            Constructing Arguments
      Solution                     and Solution Options
                                                            and Articulating Personal
                                                                      Beliefs


                        •   TRY OUT SOLUTION IF POSSIBLE
                        •   PROBLEM SOLVERS RECOMMEND SOLUTION AND ADJUST AND
                            ADAPT IT BASED ON FEEDBACK

   Adapt Solution
Designing and Developing Ill-Structured
Problem Solving Instruction




 Step 1: Articulate Problem Context
 Step 2: Introduce Problem Constraints
 Step 3: Locate, Select, and Develop
  Cases for Learners
 Step 4: Support Knowledge Base
  Construction; Cognitive Flexibility Theory
  (Spiro, 1987)
 Step 5: Support Argument Construction
 Step 6: Assess Problem Solutions
Instructional Design Models for Well-Structured and Ill-Structured Problem-Solving Learning Outcomes

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Instructional Design Models for Well-Structured and Ill-Structured Problem-Solving Learning Outcomes

  • 1.
  • 3. Unknown Solution Problem domain Problem Problem-Solving Problem Type Process/Schema
  • 4.
  • 6.
  • 10. Problem schema activated Construct No schemas Search for Implement Problem Succeed Stop activated Solutions Solution Representation Fail
  • 11. Problem schema activated Construct No schemas Search for Implement Problem Succeed Stop activated Solutions Solution Representation Fail • WHAT DO I NEED TO PRODUCE HERE? WHAT IS AN ACCEPTABLE SOLUTION GOING TO LOOK LIKE? WHAT ARE THE GIVENS? • DECOMPOSE PROBLEM STATEMENT AND MAP PROBLEM TO PRIOR KNOWLEDGE • IF LEARNER POSSESSES COMPLETE SCHEMA, PROBLEM CAN BE MAPPED ONTO PROBLEM SCHEMA • “EXPERTS ARE BETTER PROBLEM SOLVERS BECAUSE THEY RECOGNIZE DIFFERENT PROBLEM STATES WHICH INVOKE CERTAIN SOLUTIONS” (SWELLER, 1988).
  • 12. Problem schema activated Construct No schemas Search for Implement Problem Succeed Stop activated Solutions Solution Representation Fail Recall Analogical Means-End Decomposing and Generate/Test Problems Analysis Simplifying •Very natural step; •Isolate goals to •Break down •Least structured usually 1st be achieved and problem into and weakest method select means to subproblems method •Have I achieve goals •Brainstorm experienced a •What is the most possible solutions similar problem? important difference? Reduce discrepancies •Impedes schema acquisition; should focus selectively on aspects of problem
  • 13. Problem schema activated Construct No schemas Search for Implement Problem Succeed Stop activated Solutions Solution Representation Fail • TEST PROCEDURES: IF SOLUTION WORKS, PROBLEM IS SOLVED; IF SOLUTION FAILS TO WORK, LEARNER GENERATES NEW HYPOTHESIS • IDENTIFYING CLUES FROM FAILED ATTEMPTS AND USING THEM IS DIFFICULT
  • 14. Designing and Developing Well-Structured Problem Solving Instruction  Step 1: Review Prerequisite Component Concepts, Rules, and Principles  Step 2:Present Conceptual or Causal Model of Problem Domain  Step 3: Model Problem Solving Performance in Worked Examples  Step 4: Present Practice Problems  Step 5: Support the Search for Solutions  Step 6: Reflect on Problem State and Problem Solution
  • 15. Identify and Clarify Articulate Problem Alternative Opinions, Generate Possible Space and Contextual Positions, and Problem Solutions Constraints Perspectives of Stakeholders Assess Viability of Alternative Solutions by Implement and Monitor Monitor Problem Space Constructing Arguments Solution and Solution Options and Articulating Personal Beliefs Adapt Solution
  • 16. Identify and Clarify Articulate Problem Alternative Opinions, Generate Possible Space and Contextual Positions, and Problem Solutions Constraints Perspectives of Stakeholders Assess Viability of Alternative Solutions by Implement and Monitor Monitor Problem Space Constructing Arguments Solution and Solution Options and Articulating Personal Beliefs • DOES A PROBLEM REALLY EXIST? WHAT IS THE NATURE OF THE PROBLEM? • MAY HAVE MULTIPLE REPRESENTATIONS OR UNDERSTANDINGS Adapt Solution • THINK ABOUT PROBLEM AS REALISTIC SITUATIONS
  • 17. Identify and Clarify Articulate Problem Alternative Opinions, Generate Possible Space and Contextual Positions, and Problem Solutions Constraints Perspectives of Stakeholders Assess Viability of Alternative Solutions by Implement and Monitor Monitor Problem Space Constructing Arguments Solution and Solution Options and Articulating Personal Beliefs • CONSTRUCT MULTIPLE PROBLEM SPACES DEPENDING ON SITUATION • DECIDE WHICH PROBLEM SCHEMA IS MOST RELEVANT AND USEFUL FOR SOLVING THE PROBLEM (SINNOTT, 1989) Adapt Solution • PERCEIVE AND RECONCILE DIFFERENT INTERPRETATIONS OF PHENOMENA
  • 18. Identify and Clarify Articulate Problem Alternative Opinions, Generate Possible Space and Contextual Positions, and Problem Solutions Constraints Perspectives of Stakeholders Assess Viability of Alternative Solutions by Implement and Monitor Monitor Problem Space Constructing Arguments Solution and Solution Options and Articulating Personal Beliefs • MULTIPLE SOLUTIONS BECAUSE THERE ARE MULTIPLE REPRESENTATIONS OF THE PROBLEM • GENERATING SOLUTIONS IS A CREATIVE PROCESS AND RELIES ON UNRELATED THOUGHTS AND EMOTIONS (SINNOTT, 1989) Adapt Solution
  • 19. Identify and Clarify Articulate Problem Alternative Opinions, Generate Possible Space and Contextual Positions, and Problem Solutions Constraints Perspectives of Stakeholders Assess Viability of Alternative Solutions by Implement and Monitor Monitor Problem Space Constructing Arguments Solution and Solution Options and Articulating Personal Beliefs • SOLUTION SHOULD ASSUME FORM OF AN ARGUMENT FOR A PREFERRED SOLUTION • SELECT/CONSTRUCT VIABLE SOLUTION, REFLECT, AND JUSTIFY Adapt Solution
  • 20. Identify and Clarify Articulate Problem Alternative Opinions, Generate Possible Space and Contextual Positions, and Problem Solutions Constraints Perspectives of Stakeholders Assess Viability of Alternative Solutions by Implement and Monitor Monitor Problem Space Constructing Arguments Solution and Solution Options and Articulating Personal Beliefs • REFLECT NOT ONLY ON WHAT YOU KNOW, BUT ALSO ON WHAT I MEANS • CONSIDER WHAT OTHERS BELIEVE AND DEVELOP ARGUMENTS TO SUPPORT MENTAL MODEL OF PROBLEM SPACE Adapt Solution
  • 21. Identify and Clarify Articulate Problem Alternative Opinions, Generate Possible Space and Contextual Positions, and Problem Solutions Constraints Perspectives of Stakeholders Assess Viability of Alternative Solutions by Implement and Monitor Monitor Problem Space Constructing Arguments Solution and Solution Options and Articulating Personal Beliefs • MONITOR PERFORMANCE OF ELEMENTS IN PROBLEM TO SEE HOW THEY PERFORM Adapt Solution
  • 22. Identify and Clarify Articulate Problem Alternative Opinions, Generate Possible Space and Contextual Positions, and Problem Solutions Constraints Perspectives of Stakeholders Assess Viability of Alternative Solutions by Implement and Monitor Monitor Problem Space Constructing Arguments Solution and Solution Options and Articulating Personal Beliefs • TRY OUT SOLUTION IF POSSIBLE • PROBLEM SOLVERS RECOMMEND SOLUTION AND ADJUST AND ADAPT IT BASED ON FEEDBACK Adapt Solution
  • 23. Designing and Developing Ill-Structured Problem Solving Instruction  Step 1: Articulate Problem Context  Step 2: Introduce Problem Constraints  Step 3: Locate, Select, and Develop Cases for Learners  Step 4: Support Knowledge Base Construction; Cognitive Flexibility Theory (Spiro, 1987)  Step 5: Support Argument Construction  Step 6: Assess Problem Solutions

Hinweis der Redaktion

  1. Problem domain is content (concepts, rules, and principles) that defines problem elementsProblem type describes combination of concepts and rules and procedures for acting on them in order to solve problems (oxidation reactions in chemistry are type of problem that are solved in a similar manner)Problem-solving process depends on problem-solver’s understanding and representation of the type problem, including an understanding of the problem state and goal stateWith practice over time, ps-ers construct richer problem representations or schemas which they can apply in a more proceduralized or automatized manner. Experts differ from novices because their problem schemas better enable them to recognize a problem situation as belonging to a certain class of problem; novices possess deficient problem schemas and are not able to recognize problem states as well, so they rely on generalized problem-solving strategies (Sweller, 1988).Solution to problem may be convergent (single, known solution) or divergent (one of several acceptable solutions); solution should not be readily apparent so learner must identify not only the nature of the problem, but also an acceptable solution, and process for arriving at it.
  2. Step 1: review or present prior to beginning the PS lesson; i.e. review concepts of music before solving major problemsStep 2: Provide graphic organizer to help learners construct appropriate problem representations (develop appropriate problem schema); contains representation of essential parts, states, or actions encountered in problem and relationship between them; enhances learners’ mental models of the content being studied; explicitly represents structural knowledge required to support problem solvingStep 3: Problem-solving performance improved more after studying as few as two worked examples than from solving well-structured problems; may cause issues with transferability of PS skills from viewing worked examplesStep 4: Present practice problems with worked examples; present practice problems to learner in the form in which they will be assessed (word problems on test? Then word problems during practice)Step 5: provide analogical problems; provide advice or hints; provide feedbackStep 6: what was most effective? Ineffective? Reflect in order to acquire appropriate problem schemas
  3. Step 1: Understand context of problem; what is nature of domain? Constraints? Problems? Use activity theory (Leont’ev, 1978) to analyze task domainStep 2: What requirements might reasonably constrain their solutions?Step 3: Develop cases that represent doable real-world problems in the domainStep 4: Presents multiple representations on information; learners can compare and contrastStep 5: Provide coaching on perspectivesStep 6: Cannot try out