At around six months of age it is normal for infants to begin exhibiting

a. stranger anxiety.
b. insecure attachment.
c. conservation.
d. egocentrism.



ANS: A

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Fragile X syndrome is the # ___________________ known genetic cause of mental retardation

Fill in the blank(s) with correct word

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The Cognitive Behavior Modification Model teaches students learning techniques like

a. scanning material. b. time management. c. self-selection of learning strategies. d. taking notes during class lectures and discussions.

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Factorial research design can contain both ______.

a. main effects and interaction effects b. main effects and major effects c. simple effects and complex effects d. main effects and dependent effects

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Roughly all of the z-scores in the standard normal distribution are with in ______ standard deviations of the mean.

a. ±1 b. ±1.96 c. ±2 d. ±3

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