Using a repeated measures ANOVA to analyze the data from a pretest-posttest design: A potentially confusing task.

Statistical principles in experimental design.

1962 • 27,228 citations

Experimental Design: Procedures for the Behavioral Sciences

2013 • 8,527 citations

Experimental Design in Psychological Research

2002 • 2,544 citations

Experimental and quasi-experimental designs for research on teaching

1963 • 1,446 citations

Analysis of Covariance: A Delicate Instrument

1969 • 176 citations

Appropriate Post Hoc Comparisons for Interaction and Nested Hypotheses in Analysis of Variance Designs: The Elimination of Type IV Errors

1970 • 174 citations

Inequity and interpersonal conflict: Reward allocation and secrecy about reward as methods of preventing conflict.

1972 • 153 citations

A comparison of the precision of three experimental designs employing a concomitant variable

1958 • 110 citations

The estimation of residual variance in quadratically balanced least-squares problems and the robustness of the F-test

1962 • 60 citations

Type IV errors and interactions.

1972 • 53 citations

Type IV errors revisited.

1973 • 29 citations

Type IV errors and Games.

1973 • 26 citations

Sex of teacher and student reading achievement.

1973 • 26 citations

COVARIANCE ANALYSIS AND ITS APPLICATIONS IN PSYCHOLOGICAL RESEARCH

1953 • 18 citations

Regions of Significant Criterion Differences in Aptitude-Treatment-Interaction Research

1971 • 17 citations

Use of direct expectancy to modify academic performance and attitudes of college students.

1971 • 16 citations

Group counseling with reading disabled children.

1974 • 12 citations

Social reinforcement effects on Block Design performance of organic and nonorganic retarded adults.

1972 • 6 citations

Evaluation with the Personal Orientation Inventory of a Problem-Solving Approach in Teaching an Undergraduate Psychology Course

1973 • 5 citations