Which of the following will increase the power of a statistical test?
A) ?Change ? from .05 to .01
B) ?Change from a one-tailed test to a two-tailed test
C) ?Change the sample size from n = 25 to n = 100
D) ?None of the other three options will increase the power.
C
You might also like to view...
In the previous problem your best estimate of the intercept relating the total earning from the hours worked is
a. -10. b. 0. c. 10. d. We have no idea.
To be accurately classified as a frail older adult, an individual must a. be very ill and have physical disabilities
b. have the potential for becoming very ill and have mental disabilities. c. be over 65 and be under constant medical care. d. have less than one year to live.
Acquiescent response sets are difficult to eliminate from self-report tests because . . .
a. Most respondents want to be agreeable b. There is no way to detect how many respondents have been influenced by it c. Both of the above d. Neither of the above
IQ is a moderately good predictor of school achievement, but ____ is/are an even better predictor
a. achievement motivation b. cognitive style c. SAT score d. previously earned grades