If an operational definition of a dependent variable is reliable, it _____
a. manipulates what it claims to manipulate
b. measures what it claims to measure
c. gives the same manipulation every time
d. gives the same measurement every time
D
Reliability refers to consistency.
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Current research on the influence of genes on anxiety disorders suggests that ____
a. the disorders are present in people who inherit the serotonin transporter gene 5-HTTLPR b. the disorders are absent in people who inherit the serotonin transporter gene 5-HTTLPR c. while genes may predispose a person to develop an anxiety disorder, expression of the disorder depends on environmental factors d. little, if any, relationship has been found that links genes with the development of anxiety disorders
Which of the following researchers proposed that practical intelligence is a type of intelligence distinct from other types of intelligence?
a. Charles Spearman b. Howard Gardner c. Robert Sternberg d. L.L. Thurstone
Experts believe that the average variation in the human genetic code for any two different people is much less than ______
a. 10% c. 20% b. 1% d. 50%
Habituation
A) occurs when a conditioned stimulus is presented alone enough times, without being paired with the unconditioned stimulus. B) occurs when a change in the environment causes responsiveness to return to a high level. C) occurs when a unpleasant stimulus is presented to decrease the occurrence of a response. D) refers to a gradual reduction in the strength of a response due to repetitive stimulation.