1. Apsche, J., Bacevich, R., Axelrod, S., and Keach, S. (1978).Use of an Eyescreen (Blindfold) as a Timeout Procedure, Paper presented at the 11th Annual Gatlinburg Conference on Mental Retardation, 1978. Gatlinburg, Tenn.
2. Aeschleman, S. R., and Williams, M. L. (1989). A test of the response deprivation hypothesis in a multiple-response context.Am. J. Ment. Retard. 93: 345?353.
3. Azrin, N. H., and Holz, W. C. (1966). Punishment. In Honig, W. K. (ed.),Operant Behavior: Areas of Research and Application, Appleton-Century-Crofts, New York, pp. 790?826.
4. Barlow, D. H., and Hayes, S. C. (1979). Alternating treatments design: One strategy for comparing the effects of two treatments in a single subject.J. Appl. Behav. Anal. 12: 199?210.
5. Barrett, R. P., Matson, J. L., Shapiro, E. S., and Ollendick, T. H. (1981). A comparison of punishment and DRO procedures for treating stereotypic behavior of mentally retarded children.Appl. Res. Ment. Retard. 2: 247?256.