Scenario: If 20 participants completed an attention task twice — once after consuming a sugar pill and once after consuming a pill that contained 25 mg nicotine, which test would be most appropriate? Assume data meets all assumptions for a parametric test, and that participant exposure to the sugar pill vs. nicotine pill were counterbalanced. Question: What is the research / alternate hypothesis for this scenario? Nicotine does not affect attention. Nicotine affects attention. Anxiety does not affect attention. Anxiety affects attention.

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Scenario: If 20 participants completed an attention task twice — once after consuming a sugar pill and once after consuming a pill that contained 25 mg nicotine, which test would be most appropriate? Assume data meets all assumptions for a parametric test, and that participant exposure to the sugar pill vs. nicotine pill were counterbalanced. Question: What is the research / alternate hypothesis for this scenario?

Nicotine does not affect attention.
Nicotine affects attention.
Anxiety does not affect attention.
Anxiety affects attention.
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