Jay is a 12-month-old infant. He often starts making sounds like "ha-ba-ba-ba-ba-ha." This is an example of _____
A) intonation
B) echolalia
C) deferred imitation
D) cooing
B
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In a psychology class of 100 students, test scores are normally distributed with a mean of 80 and a standard deviation of 5 . Approximately what percentage of students have scores between 70 and 90?
a. 68% b. 80% c. 95% d. 99%
People who are blind from birth have similar facial expressions to their sighted counterparts. What concept does this support?
A. universality hypothesis B. affect blend C. micro-expressions D. facial leakage
Kristen, who is afraid of leaving her house, is asked to write out a list of situations that trigger her fear, from least fear-provoking to most fear-provoking. Kristen is creating a(n) ____
a. ?forgetting curve b. ?token economy c. ?anxiety hierarchy d. ?stimulus-response pairing
Cathy and Sherri had to finish all of their vegetables before they could have dessert. Cathy complained that Sherri didn't have as much to finish as she did, even though both girls had the same amount (Cathy's vegetables were just more spread out). Cathy's error stems from a failure to understand the concept of
A. conservation. B. complementarity. C. concrete operations. D. object permanence.