A researcher uses a repeated-measures study to compare two treatment conditions with a set of 20 scores in each treatment. What would be the value of df for the repeated-measures t statistic?
A) ?df = 18
B) ?df = 19
C) ?df = 38
D) ?df = 39
B
You might also like to view...
In relaxation training, participants ____
a. develop the ability to put themselves into a trance state b. relax all their muscles at once c. imagine situations that are calm and pleasant d. learn to relax their muscles in almost any situation
The group of forebrain structures that appear to be critical for emotion comprise the ____.
A. pyramidal system B. sympathetic nervous system C. parasympathetic nervous system D. limbic system
People who participate in research studies must participate voluntarily and must know enough about the study to make an intelligent decision about participating. This concept is known as:
a. the Milgram doctrine. b. the APA code. c. informed consent. d. human welfare.
Nick and his husband, Chris, have an agreement to always watch their favorite TV show together. While Chris was away, Nick decided to skip ahead and watch the next episode on his own. When Chris returned, he asked Nick if he had watched it without him. When responding, Nick may want to do which of the following to make himself look less guilty of lying?
A. Sit up very straight in his chair B. Frequently use "um" and "uh" C. Add more detail to his story D. Avoid eye contact