Following an omnibus F-test, a researcher may learn about specific sources of systematic variation in a single-factor independent groups experiment by performing
A. comparisons of two means.
B. repeated measures t-tests.
C. correlation coefficients.
D. simple main effects.
A. comparisons of two means
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CARE is a mutual help group that has traditions and methods for involving its members actively in mutual support, publicizing and leading meetings, and the other work of the group. However, GROW does not attempt to influence its wider community or other organizations; it exists solely to facilitate the support and well-being of its members. CARE is thus:
a. an empowering but not an empowered organization. b. an empowered but not an empowering organization c. an empowering and an empowered organization. d. neither empowering nor empowered.
Josh began producing sperm at birth
Indicate whether the statement is true or false
Jennifer has started playing computer and video games. What type of game is she likely to gravitate toward?
a. adventure games b. sport games c. violent games d. combat games
Which method of sampling divides a population into subgroups then selects participants from each subgroup using simple random sampling and combines all participants into one overall sample?
A. simple random sampling B. systematic sampling C. stratified random sampling D. cluster sampling