No.

First... focus groups are a research method devoted to data collection. Second, it locates the interaction in a group discussion as the source of the data. Third, it acknowledges the researcher's active role in creating the group discussion for data collection purposes.

~ David L. Morgan

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One thing you should be careful of is not leading your participants in focus groups and other data collection methods. Like asking a focus group, "This video on a vending machine is awful, but it isn't the worst thing you've ever witnessed in your life, right?" Is not a good focus group question.

A better one would be, "This is horrible, and we shouldn't use this video on our vending machines, right?"