Tiktok ab testing面试题分享

最近偶然遇到了tiktok的一道ab testing的题目，希望可以帮助到正在准备tiktok面试的同学
Marketing Dollar Efficiency

Let’s say that you’re the data scientist for the marketing/advertising division of your company. The marketing executive wants to test multiple new channels including:

• Youtube ads
• Google search ads
• Facebook ads
• Direct mail campaigns
  

Given these new marketing channels, how would you design an a/b test to utilize the marketing budget in the most efficient way possible?


suggested answers：
setup multiple new channels and utilize budget
in most efficient way amongst channels.
To help give me some color on this scenario here are some questions:
- How are we defining most efficient?
- What is our total budget? (is it enough to give each channel a portion?)
-

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ative hypothesis is that there will be a difference between the channels.
- run post hoc test to see which of the channels had better conversion rates relative to acquisition costs.
Other things to consider and extend the research into:
- Do video ads do better than image ads (Youtube vs Google Search) ?
- Will Google search ads be the more expensive (SEO optimization is no joke)?
- Do we think direct mail campaigns are ignored by younger generations?

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游客，您好！
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