An instrumentation threat occurs when taking the pretest affects how participants do on the posttest
a. True
b. False
Indicate whether the statement is true or false
False
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A placebo effect would be most likely to account for changes in
a. blood pressure. b. blood sugar. c. pupil dilation. d. pain intensity. e. body temperature.
Research on race, ethnicity, and intelligence has shown that
a. you cannot predict an individual's IQ on the basis of their race or ethnic status. b. the gap between the IQ scores of European and African-American children has increased in the past few decades. c. different subcultures tend to show the same profile of mental abilities. d. Asian Americans tend to score lower on IQ tests than Hispanic Americans.
How many of the following children would be classified as overweight: Alan, who is in the upper 20 percent for weight for his height; Erin, who is in the upper 10 percent for weight for her height; Tim, who is in the upper 5 percent for weight for his height; and/or Toni, who is in the upper 2 percent for weight for her height?
a. one b. two c. three d. four
Children with autistic disorder present severe disruption in their ability to form social bonds. They are likely to have greatly delayed and very limited development of spoken language as well as very narrow interests in the world
a. true b. false