Which of the following is not a characteristic of ANOVA?
a. It is an omnibus test
b. It partitions variance
c. It uses the z-test
d. Used to compare two or more means
Ans: c. It uses the z-test
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A researcher who has found that caffeine consumption has a greater effect on behavior in hot weather than in cold weather has detected a(n)
a. variable effect. b. interaction effect. c. control effect. d. placebo effect.
You are instructed to subtract 4 points from each score, square the resulting value, and find the sum of the squared numbers. How would this set of instructions be expressed in summation notation?
a. ?X – 42 c. ?(X – 4)2 b. (?X – 4)2 d. ?X2 – 4
A function of the cerebrospinal fluid is to ____
a. cushion the brain b. hold blood in reserve for emergencies c. maintain the blood-brain barrier d. synthesize neurotransmitters
In hypothesis testing, we look for evidence in our sample data that counters what?
What will be an ideal response?