What is the method of sampling in which subgroups of individuals are identified in a population, and then a portion of subgroups that are representative of the population are selected such that all individuals in the selected subgroups are included in the sample?
A. cluster sampling
B. convenience sampling
C. simple random sampling
D. stratified random sampling
Answer: A
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There has been a significant increase in the number of physicians prescribing antidepressants in the past few decades:
A) because the results of drug therapy are vastly superior to those of cognitive therapy. B) despite the success of cognitive therapy. C) even though behavior therapy shows better results. D) because successful drug therapy is effective only in the short term.
The ____, located just above the roof of the mouth and just below the ____, is often referred to as the body’s master gland because many of the hormones it releases activate the body’s other glands
a. pineal gland; hippocampus b. thyroid gland; amygdala c. pituitary gland; hypothalamus d. hypothalamus; medulla
The assessment of childhood problems typically makes use of a(n) ____ approach
a. multi-method b. idiographic c. divergent d. single theoretical
Alcohol initially produces feelings of euphoria, talkativeness, and outgoing behavior, because it:
(A) stimulates activity in regions of the brain that are involved with emotion, especially positive emotions. (B) depresses activity in the brain regions involved with self-control and judgment, lowering inhibitions. (C) is a stimulant. (D) increases activity in the motor regions while simultaneously decreasing activity in sensory regions.