A central advantage of using multiple measures from various data sources is that researchers are able to:
A. increase the validity of each of the data sources under investigation.
B. average out unique idiosyncrasies and home in on the key variable under study.
C. increase the resultant split half reliability coefficients.
D. establish cross-data source consistency across all the sources of data.
Answer: B
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A researcher recruits a sample of 25 preschool children for a research study by posting an announcement in a local daycare center describing the study and offering a $10 payment for participation. What kind of sampling is the researcher using?
a. cluster sampling b. quota sampling c. simple random sampling d. convenience sampling
Amber is a very typical looking young teen whose parents took her to a physician when she failed to menstruate by the age of 15 years. The physician explained that Amber had androgen insensitivity syndrome, and that she a. would need to adopt children if she wished to become a parent
b. was more likely to be homosexual than heterosexual. c. was likely to adopt a masculine gender identity as she approached the age of 20 years. d. would develop typical female fertility with the proper hormone medications.
Which of the following is false?
a. A loaded question is a question including non-neutral or emotionally laden terms. b. A leading question is a question that sways the respondent to answer in a desired manner. c. A close-ended question is a question for which subjects formulate their own responses. d. A double-barreled question is a question on which more than one thing is asked.
A leading cause of death among 15- to 19-year-old Native Americans is:
A) intravenous drug use. B) suicide. C) poor judgment due to alcohol use. D) homicide.