Book Reviews : Gene V Glass,Victor L. Willson,and John M. Gottman. Design and Analysis of Time-Series Experiments. Boulder,Colorado: Colorado Associated University Press,1975. Pp. xi + 241. $10

Box, G. E. P. and Jenkins, G. M. Time-series analysis: Forecasting and control. San Francisco: Holden Day, 1970.

Campbell, D. T. and Stanley, J. C. Experimental and quasi-experimental designs in research . Chicago: Rand McNally and Co. , 1966.