Question
A pet store owner wants to know if a new commercial will bring in more people than the old one. Out of a focus group
A pet store owner wants to know if a new commercial will bring in more people than the old one. Out of a focus group of 500 randomly selected viewers, 250 watch the new commercial and 250 watch the old one. The owner then has each group rate the commercials. Which is the control group?
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Understanding Public Opinion Polls
Authors: Jelke Bethlehem
1st Edition
1498769756, 9781498769754
