QAC 201 Exam 3 With 100% Correct And Verified Answers
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Course
QAC
Institution
QAC
QAC 201 Exam 3 With 100% Correct And Verified Answers
Covariate - Correct Answer-A variable that is possibly predictive of the outcome under study
Confounder - Correct Answer-A variable that is related to both the treatment and the outcome
Moderator - Correct Answer-A third variable that, ...
QAC 201 Exam 3 With 100% Correct And
Verified Answers
Covariate - Correct Answer-A variable that is possibly predictive of the
outcome under study
Confounder - Correct Answer-A variable that is related to both the
treatment and the outcome
Moderator - Correct Answer-A third variable that, depending on its level,
changes the relationship (strength or direction) between two other
variables.
Volunteer sample - Correct Answer-Consists of people who are willing to
volunteer for a study
Convenience sample - Correct 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) - Correct 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 - Correct 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.
Stratified sampling - Correct Answer-A type of
probability sampling in which the population is
divided into groups with a common attribute and a
random sample is chosen within each group.
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