1. Psychological bases for instructional design

   • Robert Glaser

   Articles Pages: 433 - 449

2. Innovation, education, and media

   • Wesley C. Meierhenry

   Articles Pages: 451 - 465

3. Analysis of AV elements in science telelessons

   • John W. Burns
   • Gary R. Smith

   Articles Pages: 467 - 478

4. Evaluation of existing criteria for judging the quality of science exhibits

   • Harris H. Shettel
   • Pamela C. Reilly

   Articles Pages: 479 - 488

5. The separation needed between ETV and ITV

   • Richard J. Stonesifer

   Articles Pages: 489 - 497

6. Equivalence of meaning among statements presented through various media

   • James A. Anderson

   Articles Pages: 499 - 505

7. Use of a programed multiplication text under group-paced and individual-paced conditions

   • Robert L. Crist

   Departments Pages: 507 - 513

8. Interaction of words and nonwordal stimuli in programed sequences of concept-formation tasks

   • M. Daniel Smith
   • A. Joyce Bolyard

   Departments Pages: 514 - 531

9. Book reviews

   • George Gerbner
   • Robert C. Snider
   • Robert Heinich

   BookReview Pages: 532 - 542

10. Research Abstracts

    • Loran C. Twyford
    • Charles J. Miller
    • Ralph Grandinetti

    Departments Pages: 543 - 548