The source of variation that is associated with differences between groups in a study is called ______.
A. between-groups variability
B. within-groups variability
C. between-persons variability
D. error variability
Ans: A
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Concentrating on how the job is done and attention to detail and systematic procedures in banks, utilities, and many government agencies is indicative of the:
a) tough-guy macho culture. c) bet-your-company culture. b) work hard/play hard culture. d) process culture.
Prior to running a regression analysis, what is the first procedure that should be completed?
A. Visually inspect the data using a scatterplot. B. Run a correlation analysis on the data. C. Check the residuals. D. Plot a histogram for each variable to determine its distribution.
Which of the following is most likely an educational goal rather than a curriculum goal?
A. Students will develop a sense of world geographic relationships. B. Students will develop a sense of justice. C. Students will develop competence in mathematics. D. Students will develop expository writing skills.
. Alternate routes to teaching are intended to support people who ______.
a. have just graduated high school b. seek to teach in high-poverty areas c. have a content background other than teacher education d. have retired from another profession