Which of the following is not a condition that would cause you to write research questions rather than hypotheses?
a. not enough evidence available in literature
b. literature is short on theory related to your experiment
c. concerns about sample size
d. models are being tested
c. concerns about sample size
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Using the percentage approximations for the normal curve, what percentage of scores are between the mean and one standard deviation below the mean?
A) 14% B) 50% – 34% = 16% C) 34% D) 50%
Eta2 should be used when the independent variable is categorical and the dependent variable is _________
a. nominal b. ordinal c. categorical d. interval/ratio
Which of the following policies was part of the racialization of the state?
A. Schools were racially segregated and unequal. B. Blacks were prevented from selling to whites. C. Blacks were barred from certain occupations. D. All of these answers are correct.
The ______ is the appropriate measure of central tendency for nominal variables.
A. mode B. median C. mean D. percentile