A pilot essay was included in the 1985 Spring and Fall administrations of the Medical College Admission Test. A sample of 320 of the essays written by Fall examinees who had expressed an interest in allopathic medicine was used to calculate interrater reliability estimates. Sixteen of 20 readers who had been trained by White's suggestions for…

This study focused on two questions: (1) whether the types of study-aid test, or the levels of test anxiety would affect the level of performance on the test under non-anxious conditions; and (2) whether there would be any interaction effect between the types of study-aid test and the levels of anxiety under non-anxious conditions. Twelve female…

Action research often necessitates the use of intact groups for the comparison of educational treatments or programs. This paper considers several analytical methods that might be used for such situations when pretest scores indicate that these intact groups differ significantly initially. The methods considered include gain score analysis of…

The measurement of change is such a broad topic that this article must limit its focus to a few specific subtopics. These specific topics include: longitudinal research design, attrition in research studies, the statistical analysis of difference scores, and the comparison of analysis of variance (ANOVA) and multivariate analysis of variance…

When two groups, initially dissimilar, undergo different treatments, can subsequent differences be partitioned in such a way that the difference between the two treatments is unbiased? This is the central problem of this paper, and it is confronted by the examination of two levels of information using a Follow Through Evaluation. The first…