EDUC 815 Quiz Descriptive
EDUC 815 Quiz: Descriptive and Casual-Comparative Designs
- The F ratio is computed to determine
- In comparing the mean performance of 25 athletes and 25 matched nonathletes, one should use the
- Use of the t test for a single mean requires
- Suppose you wish to examine the changes in attitudes toward school that occur as students mature. You select a sample of elementary, middle, and high school students and measure their attitudes toward school. A weakness of your cross-sectional design for studying this research problem is that
- After the researchers have selected a group having the characteristic they wish to study in a causal comparative design, the next logical step is to
- “In conducting a MANOVA on a cluster of five related variables, a researcher obtains an F value that is significant at the .01 level. What is the next step that should be taken in analyzing the data?”
- Longitudinal research designs are particularly useful for studying
- The purpose of the t test for multiple comparisons is to
- The t test for correlated means should be used when
- Analysis of variance focuses on the
- Derived scores are useful in descriptive research because they
- “The Mann-Whitney U test, the Wilcoxon signed rank test, and the Kruskal-Wallis test”
- In causal-comparative research, matching is used to
- A descriptive research study would be likely to report all but which of the following types of scores or statistics?
- In educational research, description
- Descriptive research can focus on depicting
- Chi-square should be used when data are in the form of
- Compared with a longitudinal study, an important advantage of a cross-sectional study is that
- An opinion poll is an example of which type of descriptive research?
- “The test for homogeneity of independent variances, the test for homogeneity of related variances, and the F maximum test for homogeneity of variance are all forms of”