Given that theory is a crucial component of path analysis and that major theories in the social sciences either directly or by inference assume interaction, it appears that interaction has to be considered in path analytic models that reflect those theories. The use of interaction within the framework of path analytic methodology is investigated…

ANOVA designs are used for description and/or explanation of developmental phenomena. These consist of taking any two of age, cohort, or time of measurement as independent variables. Employment of ANOVA has led researchers down blind alleys. Regression techniques are more useful. (Author)

A review of the literature suggests that choice of control group may have affected the policy implications of the major evaluations of governmental training programs. It is argued that the usual evaluation designs underadjust for preprogram differences between trainees and the control group and thus yield biased estimates of program impact.…

This paper evaluates the logic underlying various criticisms of statistical significance testing and makes specific recommendations for scientific and editorial practice that might better increase the knowledge base. Reliance on the traditional hypothesis testing model has led to a major bias against nonsignificant results and to misinterpretation…

Describes a study that was designed to examine the emotional consequences of providing information about the likelihood of a frightening media event to children in kindergarten through third grade. Facial and physiological indicators of fear were measured, and implications for understanding media-induced fear and for selecting effective coping…

Describes a study that was conducted to assess the educational value of simulation gaming in business policy courses. Student and practitioner perceptions of simulation effectiveness are examined and compared; relevant literature is reviewed and research problems are discussed; and the importance of various managerial skills is considered. (30…