An individual develops intellectual disability because of a disorder called phenylketonuria. Which of the following occurrences is a cause of the intellectual disability in the individual?
A) The replacement of myelin by hard, fibrous tissue in the individual's neurons
B) The inhibition of normal myelin development in the individual's brain
C) Insulation of the neurons by myelin
D) Myelination of the prefrontal matter of the individual's brain
B
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An "Open" sign in the window of a store that tells Ivan he can go in to purchase a beverage he finds particularly reinforcing. In this example, the sign serves as a
a. primary reinforcer. b. discriminative stimulus. c. conditioned reinforcer. d. conditioned stimulus. e. secondary reinforcer.
A major disadvantage of single-subject research compared to group research is that
a. the method does not allow strong conclusions to be made concerning the factors controlling the dependent variable b. it is often difficult to control extraneous variables c. control must be shown both within a subject and also between the subjects d. subjects are too different from one another
List and describe the three major concepts of Freudian psychoanalysis
What will be an ideal response?
Marisol blamed her professor for failing her midterm. She failed to realize that her two hours of studying, her lack of sleep, and late partying all week would better explain her results. This is an example of
a. Type A personality. b. Type B personality. c. internal locus of control. d. external locus of control. e. learned helplessness.