ERIC Number: EJ382072
Record Type: CIJE
Publication Date: 1988
Reference Count: N/A
Statistics for Small Groups: The Power of the Pretest.
Cole, David A.
Journal of the Association for Persons with Severe Handicaps (JASH), v13 n3 p142-46 Fall 1988
Four commonly used tests for treatment-control group differences are compared. Use of analysis of covariance plus alternate rank assignments was found superior to other methods, especially in the small sample cases typical of research in the area of severe-profound retardation. (Author/DB)
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Authoring Institution: N/A