The use of piecewise growth models in evaluations of interventions /
Michael Seltzer, Martin Svartberg.

APA Citation

Seltzer, M., Svartberg, M., University of California, L. Angeles. Center for Research on Evaluation. (1998). The use of piecewise growth models in evaluations of interventions. Los Angeles: Center for the Study of Evaluation, National Center for Research on Evaluation, Standards, and Student Testing.

MLA Citation

Seltzer, Michael, Martin Svartberg, and Los Angeles. Center for Research on Evaluation University of California. The Use of Piecewise Growth Models In Evaluations of Interventions. Los Angeles: Center for the Study of Evaluation, National Center for Research on Evaluation, Standards, and Student Testing, 1998.