Neil ThurmanA reminder of the importance of message variance in communication research. We fielded a survey experiment with 14 sets of 3 videos. Each set had a manually-made, a partly-automated & a highly-automated video. The set of Trump videos had statistically significant contrasts between the automation levels for 10 evaluation items. However, the sets of videos on Musk & 5G stories had none! Stark take-home message: relying on 1 or 2 sets of messages is highly problematic:
