Refer to Exhibit 20-1. A correlation statistic used with ordinal level data is
a. Spearman's rho.
b. Phi coefficient.
c. Pearson’s r.
d. Fisher's z.
ANS: A
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What is sample bias?
A. The researcher selects a sample that is not representative. B. The sample becomes less representative over time due to loss of participants. C. It is impossible to create a representative sample. D. A researcher fails to measure if a sample is representative.
An important method of challenging or verifying the conclusions of a previous study is known as
a. meta-analysis. b. secondary analysis. c. replication studies. d. follow-up studies. e. all of the above.
Describe unearned privileges.
What will be an ideal response?
Which of these describes a function of an Institutional Review Board (IRB)?
a. To conduct peer-review of research studies b. To offer advice on a study’s theoretical framework c. To determine whether proposed research complies with federal and institutional regulations d. To give guidance on conducting a literature review