Unlike normal distributions, skewed distributions are not ______, and consequently the mean, median and mode are not aligned.
a. leptokurtic
b. platykurtic
c. symmetrical
d. macrokurtic
Ans: C
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_______________ created the "Heinz dilemma" so that he could assess the moral decision-making processes of children, adolescents, and adults
Fill in the blank(s) with correct word
Each time Elizabeth cries to be picked up from her playpen, her mother tells her that she must stay there for a little longer. Hearing this, Elizabeth begins to scream until her mother can no longer tolerate the noise and picks up the child. This same scenario is repeated daily. It appears that the mother has
a. caused Elizabeth to internalize her crying response. b. classically conditioned Elizabeth's crying response. c. instrumentally conditioned Elizabeth's crying response. d. failed to condition Elizabeth's behavior operantly.
The function of the neuron's axon is to _________
a) carry messages to other neurons b) regulate the neuron's life processes c) receive messages from neighboring neurons d) insulate against leakage of electrical impulses
The best evidence that there is a critical period for language acquisition is the fact that:
a. infants babble phonemes that do not occur in their parents' native language. b. toddlers maintain a capacity to discriminate phonemes that they have never heard. c. people most easily master the grammar of a second language during childhood. d. preschoolers often overgeneralize certain rules of grammatical structure.