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Zerbolio, Dominic J., Jr.; Walker, James T. – Teaching of Psychology, 1989
Describes a factorial experiment that is used as a laboratory exercise in a research methods course. Uses a Howard-Dolman depth perception apparatus, combining the factors of viewing condition and rod orientation to illustrate the nature of an interaction and the necessity of an additional analysis of simple main effects. (Author/LS)
Descriptors: Class Activities, Data Analysis, Depth Perception, Higher Education
Wiebold, W. J.; Slaughter, Leon – Journal of Agronomic Education, 1986
Reviews a study that examined the effects of laboratories on the grade performance of undergraduates in an introductory crop science course. Results indicated that students enrolled in lecture and laboratory concurrently did not receive higher lecture grades than students enrolled solely in lecture, but did have higher laboratory grades. (ML)
Descriptors: Academic Achievement, Agricultural Education, Agronomy, College Science