ERIC Number: EJ596285
Record Type: Journal
Publication Date: 1999
Reference Count: N/A
Using Group Mean Centering for Computing Adjusted Means by Site in a Randomized Experimental Design: The Case of California's Work Pays Demonstration Project.
Lewin, Alisa C.; Mitchell, Michael N.
Evaluation Review, v23 n2 p146-61 Apr 1999
Proposes group mean centering as a solution to the problem of pooling data from multiple sites. Uses California's Work Pays Demonstration Project to illustrate three analysis strategies for data from multiple sites. Discusses considerations in choosing the centering strategy. (SLD)
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Authoring Institution: N/A