Title of article
The conflict between random assignment and treatment preference: implications for internal validity
Author/Authors
Patrick W. Corrigan، نويسنده , , Mark S. Salzer، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2003
Pages
13
From page
109
To page
121
Keywords
Internal validity , random assignment , Treatment preference
Journal title
Evaluation and Program Planning
Serial Year
2003
Journal title
Evaluation and Program Planning
Record number
268693
Link To Document