(6) Campbell, D.T., aamp; Stanley, J.C. Experimental and quasi-experimental designs for research. ... Evaluators of health education will wish to consider this truly classic treatment of data- gathering designs suitable for experimental and quasi- experimental settings. ... Cohen offers a useful treatment of factors which should be considered when one draws samples for use in research or evaluation activities .
|Title||:||A program evaluation handbook for health education programs in smoking|
|Author||:||Center for Health Promotion and Education (U.S.), IOX Assessment Associates|