21:51 Jan 8, 2020 |
English language (monolingual) [PRO] Marketing / Market Research / General | |||||||
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| Selected response from: Seulki Lee Germany Local time: 19:31 | ||||||
Grading comment
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SUMMARY OF ALL EXPLANATIONS PROVIDED | ||||
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5 | adjusted/managed ad exposure number |
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4 | reduced/removed the effect of frequency |
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Discussion entries: 2 | |
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adjusted/managed ad exposure number Explanation: Firstly, you should check the next paragraph to understand "controlling for frequency". >>The results clearly demonstrated the impact that multi-screen advertising has on branding. In the group that was exposed to TV ads alone, 50% of people correctly attributed the ad to Volvo. For groups that saw the ad across all screens -- TV, PC, smartphone and tablet -- the brand recall jumps dramatically to 74%. -------------------------------------------------- Note added at 14 mins (2020-01-08 22:06:20 GMT) -------------------------------------------------- Oh, my explanation was unexpectedly deleted :( One group was exposed to only TV ads and the other groups were exposed other media such as PC, smartphone and tablet. It means that Nielsen managed/limited the number of ad exposure number to each group. Hope it helps :) |
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reduced/removed the effect of frequency Explanation: In statistics, "controlled for XY" usually means XY is a variable or a parameter that can have different values, but they conduct the experiment or the subsequent data analysis in a way that the effects of that parameter is taken out or minimized. I am not sure exactly how they did it in this case, they could have equalized the frequency of the appearance of the ads on certain types of screens, or they could have adjusted for the frequency variable using regression analysis afterwords. The Wikipedia article I linked here explains it well. -------------------------------------------------- Note added at 1 day 7 hrs (2020-01-10 05:41:21 GMT) -------------------------------------------------- typo: afterwards https://en.wikipedia.org/wiki/Controlling_for_a_variable |
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