PHYSICS PROBLEM SOLVING

(^)
The Role of Requests
Summary

163

167

Question 3c. Do the groups have a preferential means to support argument

construction? 169

Summary 173

CHAPTER 5 - DISCUSSION OF RESULTS
Research Summary 177
Reliability, Validity, and Generalizability Revisited 184
Descriptive Validity
Interpretive Validity
Theoretical Validity
Generalizability Validity

186

187

189

190

Significance of the Research 190

Suggestions for future Qualitative and Quantitative Research 193

Curriculum and Instruction Concerns 196

Epilogue 198

BIBLIOGRAPHY^199
APPENDIX A - GLOSSARY 205
APPENDIX B - THE SIX PROBLEMS 209
APPENDIX C - DETERMINING A PROTOTYPE EPISODE^213
APPENDIX D - PROTOTYPE EPISODE FLOWCHARTS 221