What is the z score for scores in the bottom 10%?
A. 1.28
B. 2.32
C. –2.32
D. –1.28
Ans: D
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The most significant threat to internal validity of the time series design is
a. history. b. maturation. c. regression. d. mortality.
Teachers can be more effective in facilitating oral language when they use (Circle all that apply.)
A. expansion. B. modeling. C. correction. D. observation.
The level of risk or Type I error typically set for testing the level of significance of a correlation coefficient is which of the following?
a. .01 b. .05 c. .95 d. .99
What statement represents how a teacher listens without evaluation?
A) That strategy worked for you, but will it work for others? B) You only used one representation and one equation is that right? C) Do others agree with Caroline's strategy? D) Why did you solve the problem without any models?