In the Late 1950s, James Vicary, a Public-Relations Executive, Arranged

In the late 1950s, James Vicary, a public-relations executive, arranged to have subliminal messages flashed on a theatre screen during a movie. The messages urged the audience to "drink Coca-Cola" and "eat popcorn." Vicary's report that the subliminal messages increased popcorn sales by 50 percent and soft-drink sales by 18 percent was _______________.

A) subsequently replicated by researchers
B) the stimulus for more stringent truth in advertising laws
C) the basis for new mind control and brainwashing techniques
D) later revealed to be a fraud when Vicary confessed he had made it all up