Multiple Choice
Which of the following tactics will reduce the power of a planned study using a t test for independent means?
A) using a less stringent significance level (such as .10 instead of .05)
B) using more precise measures
C) increasing the size of your samples
D) using unequal sample sizes instead of equal ones (for the same number of participants)
Correct Answer:
Verified
Correct Answer:
Verified
Q42: If an experimenter conducts a t test
Q43: A t test for independent means is
Q44: "t = (M - μ)/ S<sub>M</sub>" is
Q45: A psychologist obtained recordings of election-night acceptance
Q46: A social psychologist interested in cultural differences
Q48: A manager of a small store wanted
Q49: The variance of a distribution of differences
Q50: An experimenter hypothesizes that biology majors score
Q51: A "distribution of differences between means" can
Q52: The denominator in the effect size formula