Which of the following would be most useful as a guide for determining practical significance in a research study?
A. the mean posttest score
B. the value of p in the analysis of the data
C. the value of the standard deviation from pretest scores
D. the value of the effect size from the comparison of pretest and posttest scores
Ans: D
You might also like to view...
The drug that is consumed the greatest number of times, that is, on the greatest number of occasions in the United States, is:
A. the prescription amphetamines. B. alcohol. C. the nicotine in tobacco. D. the prescription narcotics. E. none of the above.
Number of children is an example of a variable at the ratio level of measurement
Indicate whether the statement is true or false.
To make the formula for the standard error of the mean applicable to sample data, the
denominator changes to the square root of _______. a. N-1 b. N c. N+1 d. N2
Describe the causes and effects of water pollution
What will be an ideal response?