What counts as credible evidence in applied research and evaluation practice?

What counts as credible evidence in applied research and evaluation practice?

Bibliographic Details
Other Authors: Donaldson, Stewart I., Christie, Christina A., Mark, Melvin M.
Format: Book
Language:English
Published: Los Angeles, Calif. Sage c2009.
Subjects:
Research > Evaluation.
Research > Social aspects.
Social sciences > Methodology.
Evaluation research (Social action programs)
Educational accountability.