You are learning Russian in preparation for a trip next summer. Although you are doing a good job recognizing the written signs, you are having trouble with the sounds of the Russian language

Last week Ted saw a movie that vividly depicted a serial killer's gruesome murders. When school began this week, Ted had an uncomfortable feeling when one of his teachers walked into class

After class, Ted realized that the teacher had a striking resemblance to the killer. Ted's reaction to the teacher is an example of a) extinction. b) acquisition. c) discrimination. d) generalization.

The reason it may be difficult to remember how many rows of stars appear on the United States flag is most likely due to

a. the limits of our visual system. b. sensory adaptation. c. the fact that we pay little attention to such details. d. habituation. e. sensory interference.