Using group mean centering for computing adjusted means by site in a randomized experimental design: The case of California's work pays demonstration project

Evaluation Review

Volumn 23, Issue 2, 1999, Pages 146-161

  Lewin, Alisa C ^b   Mitchell, Michael N ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b NONE

Author keywords

[No Author keywords available]

Indexed keywords

ADOLESCENT; ADULT; ANALYSIS OF VARIANCE; ARTICLE; CHILD; CLINICAL TRIAL; CONTROLLED CLINICAL TRIAL; EDUCATION; EMPLOYMENT; FEMALE; HUMAN; INFANT; MALE; META ANALYSIS; METHODOLOGY; MIDDLE AGED; MOTHER; MULTICENTER STUDY; PRESCHOOL CHILD; RANDOMIZED CONTROLLED TRIAL; SOCIAL WELFARE; STATISTICAL ANALYSIS; UNITED STATES; VOCATIONAL REHABILITATION;

ADOLESCENT; ADULT; ANALYSIS OF VARIANCE; CALIFORNIA; CHILD; CHILD, PRESCHOOL; DATA INTERPRETATION, STATISTICAL; EMPLOYMENT; FEMALE; HUMANS; INFANT; MALE; META-ANALYSIS; MIDDLE AGED; MOTHERS; MULTICENTER STUDIES; RANDOMIZED CONTROLLED TRIALS; REHABILITATION, VOCATIONAL; RESEARCH DESIGN; SOCIAL WELFARE;

EID: 0033113996     PISSN: 0193841X     EISSN: None     Source Type: Journal    
DOI: 10.1177/0193841X9902300202     Document Type: Article

References (12)

1. Becerra, R. M., A. Lewin, M. N. Mitchell, and H. Ono. 1996. California Work Pays Demonstration Project January 1993 through June 1995. Los Angeles: School of Public Policy and Social Research, University of California, Los Angeles.
2. Berk, R. A., and P. H. Rossi. 1990. Thinking about program evaluation. Newbury Park, CA: Sage.
3. Byrk, A., and S. Raudenbush. 1992. Hierarchical linear models: Applications and data analysis methods. Newbury Park, CA: Sage.
4. Friedlander, D. and G. Burtless. 1995. Five years after: The long-term effects of welfare-to-work programs. New York: Russell Sage.
5. Hasenfeld, Y., A. Lewin, and M. Mitchell. 1996. Link-up evaluation of the 100-hour rule waiver for AFDC-U: Impact analysis revisited. Los Angeles: School of Public Policy and Social Research, University of California, Los Angeles.
6. Hasenfeld, Y., A. Lewin, M. Mitchell, and D. Weaver. 1995. Link-Up: Evaluation of the 100-hour rule waiver for AFDC-U. Impact and cost benefit analysis. Los Angeles: School of Public Policy and Social Research, University of California, Los Angeles.
7. Kreft, I. G. G., L. S. Aiken, and J. De Leeuw. 1995. The effects of different forms of centering in hierarchical linear models. Multivariate Behavioral Research 30(1):1-21.
8. Lewin, A. C. 1996. Linking AFDC-unemployed parents to work: Evaluating California's 100 hour rule waiver. Ph.D. diss., University of California, Los Angeles.
9. Quint, J. C., D. F. Polit, H. Bos, and G. Cave. 1994. New chance: Interim findings on a comprehensive program for disadvantaged young mothers and their children. New York: Manpower Research Demonstration Corporation.
10. Riccio, J., D. Friedlander, and S. Freedman. 1994. GAIN: Benefits, costs, and three-year impacts of a welfare-to-work program. New York: Manpower Demonstration Research Corporation.
11. Rossi, P. H., and H. E. Freeman. 1993. Evaluation: A systematic approach. Newbury Park, CA: Sage.
12. Winer, B. J. (1971). Statistical principles in experimental design. New York: McGraw-Hill.