Which of the following is true with regard to percentiles?
A) they are naturally distorted
B) they are normal curve equivalents
C) they can exceed 100 (rare)
D) they are 50 (±1) half of the time
Ans: A
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______________ forced change in the school curriculum by steering children towards science and math
a. Leave No Child Behind b. The National Defense Educational Act c. The Sputnik flight d. A school-based management team
For Jones, Grandma's Rule has to do with:
A. incentives. B. correcting misbehavior. C. student nutrition. D. parental involvement.
Which of the following is used to describe the source of error that occurs when a participant checks the same option for each item on an attitude scale?
a) Response set b) Contamination c) Halo effect d) Low-inference
A professor hypothesizes that there will be a relationship between couples’ listening skills and length of marriage. She has a _______.
a. one-tailed hypothesis b. invalid hypothesis c. valid hypothesis d. two-tailed hypothesis