Title of article
Maximizing both external and internal validity in longitudinal true experiments with voluntary treatments: The “combined modified” design
Author/Authors
Sanford L. Braver، نويسنده , , Melanie C. Smith، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 1996
Pages
14
From page
287
To page
300
Journal title
Evaluation and Program Planning
Serial Year
1996
Journal title
Evaluation and Program Planning
Record number
268386
Link To Document