Statistical significance in research suggests the results are:
a) internally valid.
b) externally valid.
c) not affected by experimenter bias.
d) not due to chance.
d
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Which attribute is a likely cause of major depressive disorder in adolescent females?
A. genetically linked depression is more prevalent on the X chromosome B. hormonal imbalance in females C. traditional gender roles for girls produce multiple and conflicting demands D. girls' tendency to react to stress by turning it outward, toward aggression
A person's belief that he or she is capable of producing desired results, such as mastering new skills and reaching goals, is referred to as
A) a self-fulfilling prophecy. B) self-control. C) a mastery belief. D) self-efficacy.
Dr. Clinton's experiment finds that his 20-year-old subjects, tested under cool
temperatures, show little anger, whereas his 15-year-old subjects, tested under hot conditions, show significantly greater anger. In this experiment the two variables of age and temperature are a. matched. b. nonlinear. c. randomized. d. reliable. e. confounded.
Young children tend to be overly optimistic about their skill level for all of these reasons EXCEPT ______.
A. cognitive development B. secure attachment with caregivers C. easy temperament D. positive feedback for their task-related efforts