The value of t is positive when _____
a. subject variance is greater than treatment variance
b. the mean of the treatment group is greater than the mean of the control group
c. subject variance is less than treatment variance
d. the mean of the treatment group is less than the mean of the control group
B
The mean of the control group is subtracted from the mean of the treatment group in the numerator of the formula for the t test.
You might also like to view...
A TV spot emphasizing the need not to let friends drive drunk would be an example of ____________ prevention
a. primary b. secondary c. tertiary d. none of these
Which is true regarding the prognosis for children with ASD?
A. IQ is not predictive of later functioning. B. Higher IQ is generally associated with better functioning later in life. C. Higher IQ is generally associated with lower functioning later in life. D. Higher IQ predicts better vocational functioning, but not better social functioning.
The _____ of an experiment is the ability to detect a cause-effect relationship when it is in fact true
a. significance c. power b. applicability d. external validity
One way to explain canalization is to say that growth proceeds
A) from the top of the body downward. B) from the core of the body outward. C) in different parts of the body according to different time tables. D) along a relatively predetermined path.