Evaluating Consumer Protection Laws: II. Promising Methods, Journal of Consumer Affairs
Reviews the quasi-experimental research designs which promise the possibility of yielding strong conclusions about the effects of consumer protection initiatives. Threats to internal validity which face the designs; Implications of evaluation research for consumer protection; Features of the before-after comparison group design.
Bobby Calder, Lynn W. Phillips
Calder, Bobby, and Lynn W. Phillips. 1980. Evaluating Consumer Protection Laws: II. Promising Methods. Journal of Consumer Affairs. 14(1): 9-36.