Based on a Friend's Suggestion, Nicole Moved Her Bed So

Multiple Choice

Based on a friend's suggestion, Nicole moved her bed so that its head pointed to magnetic north. Nicole's friend told her this would help align the electrical impulses in her body and improve blood circulation to her brain. After sleeping this way for a week, Nicole found it easier to concentrate while studying. Her test scores also seemed to improve. Even after learning that scientific evidence does not support this notion, Nicole believed that sleeping with her head pointed to the magnetic north had improved her performance. Nicole's perception is an example of a:

A) pseudoscientific belief.
B) negative correlation.
C) demand characteristic.
D) statistically significant effect.