It's pretty easy to design the study if you observe that accounts of telepathic aliens descending from metallic crafts are strongly correlated with demographics subjected to cultural depictions of such aliens and crafts in popular media.
It remains to this day largely an American phenomenon, and the secretive and technological nature of the cold war cannot be ignored as a factor. Brainwashing a school that aliens arrived seems preferable to leaking information about critical and advanced (for its era) defense technology.
It remains to this day largely an American phenomenon, and the secretive and technological nature of the cold war cannot be ignored as a factor. Brainwashing a school that aliens arrived seems preferable to leaking information about critical and advanced (for its era) defense technology.