Field Research Results Cannot Be Generalized as Safely as Those

Multiple Choice

Field research results cannot be generalized as safely as those based on _____ and standardized questionnaires. Because field researchers generally get a full and in-depth view of their subject matter, they can reach an unusually comprehensive understanding. By its very comprehensiveness, however, this understanding is less generalizable than results based on rigorous sampling and standardized measurements.

A) rigorous sampling
B) non-probability sampling
C) purposive sampling
D) valid sampling