Effects of a Video of Science Rejection by a Social Media Influencer and User Comments: Randomized Controlled Trial.

The score of the “Mixed response” group (mean 43.07, SD 26.10) was lower than in the “Factual response” group (Cohen d =–0.11, Cohen d score range –0.03 to 0.04; P =.22), and higher than in the “Attack response” group (Cohen d =0.12, Cohen d score range –0.02 to 0.27; P =.13), although these differences did not reach statistical significance.

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