After a mailed questionnaire and two follow-ups, hard-core survey nonrespondents were contacted to ask why they had not responded and what they would have answered had they responded. Results from 28 subjects indicate that efforts to pursue nonrespondents may be unnecessary, because bias resulting from nonresponse appeared minimal. (SLD)

The history of the African people before slavery and colonization illustrates the ways in which different pictures of reality are created by which data are selected and ignored. The model of inquiry that verifies historical accuracy can help all program evaluators provide greater truth and equity for their clients. (SLD)