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Bladon, Teresa L. – Canadian Journal of Program Evaluation, 2009
Rapidly declining response rates and the associated threat of nonresponse bias call into question the validity of data obtained through telephone surveys, a tool often used in evaluation. This article explores changes in nonresponse bias over time by examining three data points (1991, 1996, and 2002) from an annual household telephone survey…
Descriptors: Telephone Surveys, Foreign Countries, Response Rates (Questionnaires), Trend Analysis
Mertens, Donna M. – SAGE Publications (CA), 2004
In this new edition, the author explains quantitative, qualitative, and mixed methods, and incorporates the viewpoints of various research paradigms (postpositivist, constructivist, transformative, and pragmatic) into descriptions of these methods. Special emphasis is provided for conducting research in culturally complex communities. Each chapter…
Descriptors: Constructivism (Learning), Human Services, Research Problems, Methods Research
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Leviton, Laura C., Ed.; And Others – New Directions for Program Evaluation, 1990
Seven essays on efforts of evaluate prevention programs aimed at the acquired immune deficiency syndrome (AIDS) are presented. Topics include public health psychology, mathematical models of epidemiology, estimates of incubation periods, ethnographic evaluations of AIDS prevention programs, an AIDS education model, theory-based evaluation, and…
Descriptors: Acquired Immune Deficiency Syndrome, Community Programs, Educational Psychology, Epidemiology