Multiple Choice
When calculating power, how does a researcher know what estimate to use for the effect size?
A) The researcher should always assume there will be a large effect size
B) The researcher should always assume there will be a medium effect size
C) The researcher should investigate past studies in the same content area to estimate the effect size
D) There is no single way to estimate effect size
Correct Answer:
Verified
Correct Answer:
Verified
Q10: Within-group variability decreases the statistical power of
Q11: An increased sample size will increase variability
Q12: There are a number of ways to
Q13: It is more difficult to reject the
Q14: To interpret fully an inferential statistic, it
Q16: If the calculated value of an F
Q17: Can the null hypothesis be accepted?
Q18: Null and alternative hypotheses are stated in
Q19: The only proven method for increasing power
Q20: Power from a statistical point of view