Of all the research questions, the best help Chelsi will get in investigating her theory about product placement is “Will the product sell better if it's displayed on a more visible shelf for two weeks?” Hence, Option B is correct.
What is product placement?
In product placement, a branded product gets inclusion in the media, and that is without the explicit reference to the product. Most of the time, the branded products are featured or displayed in the movies, television shows, and video games, and most of the time at the time of cricket or any famous sports match.
For instance, when a lead actor or a cricketer uses a particular brand phone in any public gathering, this is known as product placement. In the given case, the use of the product placement in the businesses is done to increase sales, raise brand awareness, and attract customers.
Thus, Option B is correct.
Learn more about product placement from here:
https://brainly.com/question/18715521
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