A ________ Design to Measure the Effectiveness of a Test

Multiple Choice

A ________ design to measure the effectiveness of a test commercial for Sears would be implemented as follows. Respondents are recruited to central theater locations in different test cities. At the central location, respondents are first administered a personal interview to measure, among other things, attitudes toward the store (O₁) . Then they watch a TV program, the respondents are again administered a personal interview to measure attitudes towards the store (O₂) . The effectiveness of the test commercial is measured as O₂ - O₁.

A) one-shot case study
B) pretest-posttest control group
C) static group
D) one-group pretest-posttest