All of the following are characteristics of infant intelligence tests except
a. scores vary from one testing time to another
b. scores are poor at predicting later performance on traditional intelligence tests
c. they are relatively unaffected by infants' states of arousal because test administrators work with infants to elicit their best performance
d. items measure perceptual and motor development, which are not usually included in tests designed for older children and adults
C
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Some researchers want to compare 60-year-olds to 80-year-olds, but they worry about finding similar groups of people. Which design would be best for minimizing that problem?
a. Cross-sectional b. Longitudinal c. Single-blind d. Double-blind
The words a child can comprehend are part of
a. active language. c. productive language. b. passive language. d. infant-directed speech.
The ability to verbalize experience is called:
a. unconscious experience b. denied experience c. symbolized experience d. unaware experience
By the age of 2 most toddlers will have a vocabulary of about ____
a. 100 words b. 200 words c. 300 words d. 400 words