If the measure for "customer interest" in the promotion did not yield consistent scores and does not measure what it is supposed to measure it would be

both valid and reliable

neither valid nor reliable

valid but not reliable

reliable but not valid

Question 2

In the study for M Line's promotion, you decide to measure "customer perception" of the advertisement. If you show 400 participants Design A and 400 participants Design B, what would the dependent variable be in the study?

the advertisement design

customer perception

sales

there wouldn't be a dependent variable