References
- Caron , R. F. 1967 . Visual reinforcement of head-turning in young infants . Journal of Experimental Child Psychology , 5 : 489 – 511 .
- Forness , S. R. 1973 . The reinforcement hierarchy . Psychology in the Schools , 10 : 168 – 177 .
- Greenspoon , J. and Gersten , C. D. 1967 . A new look at psychological testing: Psychological testing from the standpoint of a behaviorist . American Psychologist , 22 : 848 – 853 .
- Havighurst , R. J. 1970 . Minority subcultures and the law of effect . American Psychologist , 25 : 313 – 322 .
- Kratochwill , T. R. and Severson , R. A. 1977 . Process assessment: An examination of reinforcer effectiveness and predictive validity . Journal of School Psychology , 15 : 293 – 300 .
- Leuba , D. and Friedlander , B. Z. 1968 . Effects of controlled audio-visual reinforcement on infants' manipulative play in the home . Journal of Experimental Child Psychology , 6 : 87 – 99 .
- Phillips , D. , Fischer , S. C. and Singh , R. 1977 . A children's reinforcement survey schedule . Journal of Behavior Therapy and Experimental Psychiatry , 8 : 131 – 134 .
- Schönemann , P. H. and Wang , M. M. 1972 . An individual difference model for the multidimensional analysis of preference data . Psychometrika , 37 : 275 – 309 .
- Schultz , C. B. and Sherman , R. H. 1976 . Social class, development, and differences in reinforcer effectiveness . Review of Educational Research , 46 : 25 – 59 .
- Skinner , B. F. 1958 . Science and human behavior , New York : MacMillan .
- Tharp , R. G. and Wetzel , R. J. 1969 . Behavior modification in the natural environment , New York : Academic .