If Certain Values or Responses on One Variable Tend to Co-Occur

question 49

Multiple Choice

If certain values or responses on one variable tend to co-occur with certain values on another variable,we would interpret this as the existence of a(n)

• A)association.
• B)elaboration.
• C)path diagram.
• D)confounding.

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Definitions:

Concealment of Random Allocation

A technique used in clinical trials to prevent selection bias by ensuring the assignment of participants to different groups is not known in advance by the researchers.

Masking

A method in research where information that could influence the results is concealed from participants, researchers, or both, to minimize bias.

Crossover Randomized Clinical Trial

A type of clinical trial in which participants receive a sequence of different treatments, allowing each participant to serve as their own control at different times during the study.

Factorial Randomized Clinical Trial

An experimental study design that looks at the effects of two or more treatment variables simultaneously by varying them independently within the same study.