In a Well-Known Study Conducted by Schachter and Singer, Wherein

Multiple Choice

In a well-known study conducted by Schachter and Singer, wherein participants were injected either with a stimulant or a placebo and were then exposed to a highly emotional stimulus, it was found that participants showed the strongest emotional reactions when ____.

A) they were injected with a stimulant (and knew it)
B) they were injected with a stimulant (but didn't know it)
C) they were injected with a placebo (and knew it)
D) they were injected with a placebo (but didn't know it)