Which of the following sentences best describes a covariate? A. A variable that
ID: 3292571 • Letter: W
Question
Which of the following sentences best describes a covariate?
A. A variable that correlates highly with the dependent variable.
B. A variable that is not able to be measured directly.
C. A variable that shares some of the variance of another variable in which the researcher is interested.
D. A pair of variables that share exactly the same amount of variance of another variable in which the researcher is interested.
Which of the following assumptions must be met when conducting an ANCOVA?
A.
The covariate ought to be independent from the experimental effect.
B.
Homogeneity of regression slopes.
C.
The covariate should be linearly related to the dependent variable.
D.
All of these
In the context of analysis of covariance, this is the value of the group mean adjusted for the effect of the covariate.
A.
Adjusted mean
B.
Partial eta-squared
C.
Covariance
D.
Within-group error variance
A.
The covariate ought to be independent from the experimental effect.
B.
Homogeneity of regression slopes.
C.
The covariate should be linearly related to the dependent variable.
D.
All of these
In the context of analysis of covariance, this is the value of the group mean adjusted for the effect of the covariate.
A.
Adjusted mean
B.
Partial eta-squared
C.
Covariance
D.
Within-group error variance
Explanation / Answer
1) option c
A variable that shares some of the variance of another variable in which the researcher is interested
2) option d
well we need all of these
3) option a
adjusted mean
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