Open AccessDonald T. Campbell and research design
Author(s) -
William M. K. Trochim
Publication year - 1998
Publication title -
american journal of evaluation/the american journal of evaluation
Language(s) - English
Resource type - Journals
eISSN - 1557-0878
pISSN - 1098-2140
DOI - 10.1016/s1098-2140(99)80225-2
Subject(s) - psychology , research design , sociology , management science , social science , engineering