An advantage of searching the Encyclopedia of Ed Stats online rather than searching the paper Digest of Education Statistics is that the online publication
a. includes newer statistics sooner.
b. includes a larger number of different statistics and sources.
c. includes more ways to search for statistics.
d. All of these answers.
D
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_____ enables one to locate manuscripts and archival materials
a. World Cat c. ERIC b. Social Science Citation Index
If the John Henry effect were exerting an influence in an experiment, one would expect
a. poor performance in the control group. b. better performance in the control group. c. poor performance in the treatment group. d. better performance in the treatment group.
The best way to equate groups in experimental research is through:
a. Matching b. Holding extraneous variables constant c. Using an analysis of covariance d. Random assignment
Explain what a percentile rank indicates. Interpret a percentile rank of 85
What will be an ideal response?