1. Editorial

   • Michael R. Matthews

   EditorialNotes Pages: 329 - 330

2. Elaborating the structures of a science discipline to improve problem-solving instruction: An account of Classical Genetics' theory structure, function, and development

   • Robert Hafner
   • Sylvia Culp

   OriginalPaper Pages: 331 - 355

3. Self-directed learning: Philosophy and implementation

   • M. P. Silverman

   OriginalPaper Pages: 357 - 380

4. More on the nature of scientific thought: Responses to Professors Lederman and Ohlsson

   • W. A. Suchting

   OriginalPaper Pages: 381 - 390

5. Toward an integration of content and method in the science curriculum

   • Noretta Koertge

   OriginalPaper Pages: 391 - 406

6. News

   News Pages: 407 - 409

7. Contributors

   Legacy Pages: 411 - 412