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QAC 201 Exam 3 Questions And Answers With Verified Solutions Already Passed!!!
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QAC 201 Exam 3 Questions And Answers With Verified Solutions Already Passed!!!
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QAC 201 Exam 3 Questions AndAnswers With Verified Solutions Already
Passed!!!
Covariate - ANSWER✔✔ A variable that is possibly predictive of the outcome
under study
Confounder - ANSWER✔✔ A variable that is related to both the treatment and the
outcome
Moderator - ANSWER✔✔ A third variable that, depending on its level, changes
the relationship (strength or direction) between two other variables.
Volunteer sample - ANSWER✔✔ Consists of people who are willing to volunteer
for a study
Convenience sample - ANSWER✔✔ A form of nonprobability sample using
respondents who are convenient or readily accessible to the researcher—for
example, employees, friends, or relatives
Simple random sample (SRS) - ANSWER✔✔ A sample where n individuals are
selected from a population in a way that every possible combination of n
individuals is equally likely
Cluster sampling - ANSWER✔✔ A probability sampling technique in which
clusters of participants within the population of interest are selected at random,
followed by data collection from all individuals in each cluster.
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