Suppose you tested two age groups on the number of details they could recall from a paragraph. The mean for the older group is 16, and the mean for the younger group is 14 . Further suppose you fail to reject the null hypothesis for this independent-samples t-test. What best accounts for the difference between these sample means?
What will be an ideal response?
sampling error
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Social interactions between 11- and 12-year-old boys and girls may be awkward because
a. girls tend to do much better than boys in school at this age, and this becomes a source of endless teasing and torment. b. girls form cliques and boys form crowds, and thus they really have nothing to talk about c. they are not yet at the age where they have anything in common, and thus there is no real value in these social interactions. d. the girls may be taller and look more mature than the boys, since their pubertal growth spurt begins earlier.
Which of the following statements is true about factitious disorders?
A. Patients are usually revealed to be harboring a reason for malingering B. The symptoms are uncontrollable. C. There is no obvious reason for voluntarily producing symptoms. D. All of these are correct
The familial communication style called expressed emotion, sometimes used to predict relapse rates in patients with schizophrenia, includes all of the following EXCEPT
A. overinvolvement. B. criticism. C. emotional distance. D. hostility.
Which result would not support the idea that genes play a significant role in behavior?
A. Finding dizygotic twins to be more similar than monozygotic twins B. Finding children to be more similar to their biological parents than to their adoptive parents C. Finding similarities between biological siblings D. Finding monozygotic twins to be more similar than pairs of unrelated individuals