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Maude is conducting an ethnographic study that concerns the transitions that older Americans face as they move into transitional housing. She is particularly interested in the potential differences in the challenges for men and women. She therefore is careful to include both men and women in her sample. Maude's strategy can best be categorized as

A. systematic sampling

B. homogeneous sampling

C. intensity sampling

D. cluster sampling

In which of the following qualitative research plan sections is the sample consent form generally presented?

A, Site and sample selection

B. Data collection

C. Data analysis

D. Appendixes

The type of validity that addresses if the testappearsto measure the variable of interest is referred to as ________ validity.

A. content

B. criterion-related

C. construct

D. consequential