Real psychology differs from popular psychology and its pseudoscientific relatives in that it is based on
a. popular opinion.
b. the ideas of prominent psychoanalysts.
c. empirical evidence.
d. the latest theories.
Answer: a
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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
Bradley's fine motor skills, such as being able to button his own coat, have improved dramatically across early childhood. Which aspect of brain development leads to this?
a. Myelination of pathways from the cerebellum to the cerebral cortex b. Development of the brain stem c. Hormones released from the pituitary gland d. Maturation of the amygdala
By convention, the mean of the sampling distribution equals
a. 0. b. the mean of the sample. c. 1 d. -1.
An advantage of randomly assigning subjects to groups is that it:
a. makes the groups equal in number b. reduces the chance that other variables will bias the results c. ensures that the best subjects will be assigned to the experimental group d. makes the groups as different as possible from each other