According to a study by Goodman and colleagues (1990), when children were allowed to use ___ to reenact an event, their recall was better than when they gave a verbal report
a. dolls c. drawings
b. finger puppets d. blocks
A
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The primary reason descriptive/correlational research cannot determine conclusively that variables have a cause-and-effect relationship is because in conducting the research,
a. the researcher cannot control events or manipulate variables. b. only an experimental group is used. c. the data collected frequently comes from direct observations or statements made by subjects. d. the researcher observes behavior under artificial situations.
Research on high blood pressure indicates that____
a. there is a much higher percentage of men with hypertension b. there are higher prevalence rates for women over 75 than men over 75 c. about one quarter of U.S. adults require treatment for hypertension d. about 10% of U.S. adults are unaware of their hypertension
Tumors that are contained within their own membrane are unlikely to recur following removal are known as
A. infiltrating. B. malignant. C. benign. D. metastatic.
Which of the following is NOT one of the guidelines for ethical research established by the Belmont Report?
a. respect for persons b. anonymity c. justice d. beneficence