References
- Barrington , H. 1965 . “A survey of instructional television researches,” . Educational Research , VIII : 8 – 25 .
- Dwyer , F. M. 1967 . “The relative effectiveness of varied visual illustrations in complementing a programmed text,” . Journal of Experimental Education , 36 ( 2 ) : 34 – 42 .
- Jenkins , J. R. , Neale , D. C. and Deno , S. L. 1967 . “Differential memory for picture and word stimuli,” . Journal of Educational Psychology , 58 : 303 – 307 .
- McKellar , P. 1968 . Experience and Behaviour , Harmondsworth : Penguin .
- Smith , K. U. and Smith , M. F. 1966 . Cybernetic Principles of Learning and Educational Design , New York : Holt, Rhinehart and Winston .