Babies discover that if they drop a spoon while sitting in the high chair, the spoon will fall to the floor and make a noise. This is an example of
A. emotional differentiation.
B. introspection.
C. reflexive behavior.
D. sensorimotor causality.
Answer: D
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The observation that each generation tends to do better than the previous generation on IQ tests is known as what?
a. The Stroop effect b. Spearman's g factor c. The Flynn effect d. The depth of processing principle
N.A. has a damaged hippocampus, and psychiatrists visit him weekly for two years. During these visits, they test his memory and IQ. One of the limitations of this case study is that it ____.?
a. ?may cause N.A. to behave differently because he knows he is being observed b. ?is susceptible to confounds and experimenter bias c. ?may only contain information the psychiatrists deem important d. ?only shows cause and effect, not relationships between variables
Which one of the following sampling methods is an example of a nonprobability sample?
a. cluster sampling b. simple random sampling c. purposive sampling d. stratified random sampling
George Miller's famous estimate of the capacity of short-term memory is the "magical 2 to 20 range."
Indicate whether this statement is true or false.