A teacher concludes that the more hours she had her students practice the piano, the fewer errors they made when learning new pieces. This relationship is an example of
a. a positive correlation.
b. a negative correlation.
c. a perfect correlation.
d. a chance correlation
B
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A primary difference between action research and other types of research is that action research:
a. does not require parental permission or approval from the school administration. b. allows teacher-researchers to discuss otherwise confidential details of the students with colleagues. c. involves identification and implementation of some new strategy. d. always involves a case study method.
Filling in the blanks in this frequency distribution table, the percentage (‘%’) for 10th grade is ______; the cumulative percent (‘Cum %’) associated with 10th grade is ______.
a. 15.8%; 78.9%
b. 18.4%; 78.9%
c. 34.2%; 94.7%
d. 78.9%; 18.4%
Sixth-grade students in Nancy Loving's class did not use context clues when they encountered unfamiliar words. The most effective way to teach these students about context clues would be to:
a) ask them to underline unfamiliar words as they read b) develop a miscue analysis chart c) have the teacher model use of context clues as she reads aloud d) have the teacher form guided reading groups
For ? = .05, dfA = 2, dfB = 3, and dfWG = 24, what is the critical value for the interaction effect?
a. 3.40 b. 2.78 c. 2.51 d. 2.49