A researcher wanted to test for differences among the means of three groups. Which of the following test statistics would be most appropriate?
a. t
b. p
c. F
d. r
ANS: C
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A tool for the delivery of instruction is called
a. productivity technology. b. informational technology. c. instructional technology. d. medical technology.
Compare collaborative teams, co-teaching, and collaborative consultation. Which do you feel would be most effective in inclusive schools? Why?
What will be an ideal response?
The formula P ± Zc.l.SP represents what?
A. Confidence interval for a proportion B. Error rate of a population C. Analysis of covariance D. Average standard deviation
Even a very small mean difference can be statistically significant if:
a. the sample size is big and the error variance is small b. the sample size and the error variance are both big c. the sample size is small and the error variance is big d. the sample size and the error variance are both small