1. Instructions and reinforcement in the modification of neurotic behavior;Agras;American Journal of Psychiatry,1969
2. Alternating treatments design: One strategy for comparing the effects of two treatments in a single subject;Barlow;Journal of Applied Behavior Analysis,1979
3. Time series analysis: Forecasting and control;Box,1970
4. Distribution-free statistical tests;Bradley,1968
5. Experimental and quasi-experimental designs for research on teaching;Campbell,1963