1. 3. P. ASH, and B. J. CARLTON 'The value of note-taking during film learning'.
2. 4. P. ASH, and N. JASPEN 'The effects and interactions of rate of development, repetition, participation and room illumination on learning from a rear-projected film'.
3. 5. H. R. BRENNER, J. S. WALTERS, and A. K. KURTZ 'The effects of inserted questions and statements on film learning'.