The fact that children with higher IQ scores tend to come from homes that contained age-related play materials best supports the theory that
a. intelligence and poverty are highly positively correlated events
b. environmental factors impact intelligence.
c. genes determine intelligence.
d. identical twins are more intellectually similar than any random set of siblings.
b
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Many psychologists no longer believe this to be a separate type of evidence for validity because of the lack of clear-cut boundaries between it and other types of evidence for validity. What is it?
a. content b. criterion c. constructive d. predictive
"Second messengers" carry their messages to ____
a. the presynaptic membrane b. areas within the postsynaptic cell c. areas within the presynaptic cell d. the surrounding glia
Which of these is an example of naturalistic observation?
A) testing a rat running a maze B) counting how often a group of children talk to each other C) watching a person memorize a list of items in a laboratory D) giving a personalitytest to a group of adolescents
Harvey, age 3, can probably
A) gallop and skip with one foot. B) copy some numbers and simple words. C) zip and unzip large zippers. D) ride a tricycle rapidly and steer smoothly.