"Clean" answers about the cause of development can be obtained by studies employing the experimental design because
a. the results are more easily applied to real life.
b. it provides a broad portrait of child development.
c. the experiments are less likely to violate ethical guidelines.
d. cause-and-effect relationships between the variables can be identified.
D
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Suzanne Kobasa and her colleagues studied business executives who seemed able to resist illness despite stress. In one phase of the research, executives completed a battery of psychological tests, and the researchers found that the psychologically hardy executives tended to:
A) feel alienated from what they were doing. B) have an external locus of control. C) appraise change as an interesting incentive to personal growth. D) be low in perceived control over their lives.
Anticipating future events is the keystone concept of _______.
a. Hans Eysenck b. Karen Horney c. George Kelly d. Carl Rogers
Individuals with an external locus of control are more likely to have:
a. low self-esteem b. high self-confidence c. high self-efficacy d. low self-efficacy
?In contrast to insomnia, narcolepsy is ____
a. ?not treated with drugs b. ?rare c. ?a true sleep disorder d. ?more common in older men