Each time the owner of an aquarium turns on the aquarium

light, the fish gather in the corner in which he routinely places food. Because he always turns the light on before feeding the fish, their actions demonstrate
a. spontaneous recovery.
b. extinction.
c. stimulus control.
d. resistance to extinction.


ANSWER: c

Psychology

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The amplitude of a sound wave determines the:

a. pitch that will be perceived b. frequency of the sound wave c. loudness that will be perceived d. absolute threshold of sound

Psychology

The type of memory that is most like an encyclopedia or a dictionary is __________

a. emotional memory b. episodic memory c. procedural memory d. semantic memory

Psychology

Seema is conducting a study of how adolescents spend their time and wants to collect unbiased data. Which of the following should she NOT do?

a. Phrase questions in a way that leads to a desired answer. b. Ensure that participants' responses are confidential. c. Leave a copy of the consent form with participants after the study is completed. d. Allow participants to withdraw from the study if they want to.

Psychology

When 4-year-olds describe a toy to a 2-year-old, they

a. use fewer attention-getting phrases than they do with an adult listener. b. use longer sentences than they do with an adult listener. c. use simpler grammar than they do with an adult listener. d. do not adjust their speech when talking to a younger child.

Psychology