The term power refers to:
a. the probability of committing a Type I error
b. the probability of committing a Type II error
c. the probability that a statistical test will find a significant difference when a true difference exists in the population
d. the probability that a statistical test will account for the unexplained variability
c
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Although handedness is a matter of degree, what percent of humans are right-handed?
a. about 70 percent b. about 80 percent c. about 90 percent d. about 98 percent
When a parent unknowingly reinforces behaviors she wants to discourage, it results in
a. a negative reinforcement trap. c. counterimitation. b. punishment. d. inhibition.
Nearly three-fourths of men who have been raped were victims of the crime prior to age 18
Indicate whether the statement is true or false
We take the square root of the ______ to find the ______.
A. standard deviation; variance B. variance; standard deviation C. mean; mode D. mean; standard deviation