The interpretation of main effects obtained in a complex design is critically dependent on whether
A. an interaction effect is not present in the experiment.
B. an interaction effect is present in the experiment.
C. only one main effect occurs in the experiment.
D. more than one main effect occurs in the experiment.
B. an interaction effect is present in the experiment.
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Your uncle Karl, who recently retired, has mentioned how he doesn't sleep as well as he did when he was younger. For many years, he regularly slept about 7–8 hours, but now that he is in his 60s he tends to get only 5–6 hours of sleep per night
What would you tell him? a. Getting less sleep seems to be a common consequence of aging. b. Getting less sleep as we age is not normal, since studies show we need more sleep as we age. c. Getting less sleep is dangerous as we age. People should seek medical intervention to help them sleep. d. Getting less sleep is associated with mental health problems in our later years. Uncle Karl should consider seeing a psychologist
A phenomenological approach to personality states that
A) people's perceptions and subjective realities are important and should be studied. B) we are the products of the phenomena that we encounter. C) people vary in the degree to which they create their own phenomena. D) only objective events, and not perceptions, are valid when studying personality. E) phenomena that occur in childhood are more important than what occurs later.
Which of the following is an accurate statement regarding control and stress?
A. The more control one has, the greater the degree of stress. B. The less control one has, the greater the degree of stress. C. The less control one has, the lower the degree of stress. D. Control has nothing to do with stress.
Which statement about private speech is true?
A. Children use private speech because they have difficulty with understanding others' perspectives. B. Children use private speech when they cannot find a conversational partner. C. Children who freely use private speech during a challenging activity perform better than their less talkative agemates. D. Compared with their agemates, children with learning and behavior problems are less likely to engage in private speech.