Choose the type of correlational statistic that would be used for each of the purposes listed. Used to describe the extent of relationship between two variables, X and Y, after the influence of a third variable, Z, has been removed
a. Product-moment correlation
b. Partial correlation
c. Factor analysis
d. Canonical correlation
e. Multiple regression
B
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Refer to Exhibit 7-13. The tabled value of chi square for the corresponding degree(s) of freedom shows 5.99 for the .05 level and 9.21 for the .01 level. The investigator would report that his results are
a. statistically significant at the .05 level. c. Not statistically significant. b. statistically significant at the .01 level. d. None of these are true.
The case study's most serious limitation is
a. data on individuals are less intensive than on surveys. b. generalizations from case studies are difficult and risky. c. no attempt is made to study interrelationships of various factors. d. quantitative data rather than qualitative data are produced.
A ____________________ can be used to see if an item is too small for an infant or toddler to use.
Fill in the blank(s) with the appropriate word(s).
Using prompts to ensure student success and providing instruction based on student errors are competencies for
A. conducting guided practice. B. conducting independent practice. C. explicit modeling. D. providing feedback.