Statistical significance is also known as the risk of _______.
a. a Type II error
b. power
c. a null error
d. a Type I error
Ans: d
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Which of the following statements is true about the education of ELL students?
a. Avoid using cooperative learning because ELL students have trouble talking in English-speaking groups. b. Teach Standard English grammar and syntax explicitly. c. Do not impose Standard English on ELL students, who have enough trouble learning their heritage language. d. If children expand their heritage language skills, they are less likely to learn English.
Classes most certain to have students of varying age levels:
(a) looped, (b) multi-age, (c) differentiated, (d) grade partnerships.
Participants taking a test again after a 2-4 week time period could show:
a. Internal consistency b. Inter-rater reliability c. Content validity d. Test-retest reliability
Mrs. Beasley wanted to know how much time Michael talks when he should be working on his class worksheet. Mrs. Beasley recorded four separate duration events of 5 minutes, 7 minutes, 5 minutes, and 6 minutes in the same observation period. What is the average duration of Michael's behavior?
a. 4.55 minutes b. 5.30 minutes c. 5.75 minutes d. 6.25 minutes