The numerator of the t score formula for the independent-samples t-test is ________.
A. mean of the difference scores
B. difference of the means
C. variance between groups
D. variance within groups
Answer: B
You might also like to view...
Eduardo is rushed to the emergency room with symptoms of chest pains, breathlessness, sweating, choking, nausea, and heart palpitations. He believesthat he is having a heart attack. After a thorough examination, he is told that physically, he is fine, but that he may be suffering from ____
a. OCD c. acute stress disorder b. GAD d. a panic attack
What is a major limitation of the case study method of research? a. The results cannot be generalized to a larger group of people. b. It is impossible to get informed consent from the subjects. c. Researchers cannot guarantee anonymity
d. They are the most costly of all research methods.
A shipping company is looking for a new manager for its warehouse. Applicants are administered a battery of personality tests. If the company wishes to pick the best person for the job, it should:
A. forget about the personality tests and rely solely on interviews B. look very carefully at the personality tests and place little emphasis on interviews C. choose the applicant who scores highest on an intelligence test D. place the applicants in work situations and watch how they behave
What statistical technique should be used to evaluate the results from a pre-post control group design?
a. a two-factor repeated-measures ANOVA b. a two-factor independent-measures ANOVA c. a two-factor mixed design d. a t-test