In an experiment, when a value is obtained that shows no difference between the treatment and control group, the value is considered to be what?
a. Causal
b. Sensitivity
c. Null
d. Positively predictive
ANS: C
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A Causal refers to a relationship between treatment and outcome that makes a difference.
B Sensitivity refers to the ability of a test or screen to identify a disease.
C Null refers to a value indicating no difference between the treatment and control group.
D Positively predictive indicates a relationship between two variables in which one predicts the other.
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