Which of the following terms best describes the type of sampling used in qualitative research?
a. Random
c. Purposive
b. Stratified
d. Proportional
C
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. Suppose a researcher wants to make sure that the probability of committing a Type I error is less than 5%. How can the researcher control for this?
A. set the value for a Type II error at .05 B. set the alpha level at .05 C. place the rejection region in both tails D. set the alpha level at .05 and place the rejection region in both tails
Which of the following is a true statement about mass and energy?
a.................................. Scientists are unable to create significant amounts of new energy. b.........................................Energy is constantly being changed from one form to another. c............................The total amount of mass and energy in the universe does not change. d............................................................................................. All of the above are true.
What term summarizes how public schools should accept visitors?
a. common courtesy b. ethical protocol c. surveillance d. suspicion
Over how many weeks is Tier 2 intervention typically implemented?
A. 9 to 12 weeks B. The first semester of the school year C. 2-3 weeks D. Based on the needs of the child