What is the probability of selecting a respondent who is Black?
A. .13
B. .14
C. .27
D. .73
B. .14
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An instrument can have very high reliability but very low validity
a. true b. false
Why do most men batter their wives?
a. The men's wives drive them to it. b. The men who do it are always mentally ill. c. The men are responsible for too many children. d. The men have poor self-images.
Which of the following is an example of the classical conditioning model'?
a. Every time Henry talks back to his mom, he's sent to his room. Eventually he teams to speak politely. b. If Heather works hard and does her chores diligently. her mother gives her an occasional bonus with her weekly allowance. She is very dependable for doing her chores. c. If someone flushes the toilet while Roland is in the shower, he gets scalded and he jumps back. Now every time Roland hears a toilet flush while he's in the shower, he automatically jumps back. d. Arthur is sent to the principal's office when he disrupts his class by trying to get the attention of the other students.
Which of the following is not a method of obtaining the effect size from an independent samples t-test?
a. Calculating the difference of means b. Calculating Cohen's d c. Calculating the point-biserial correlation d. Calculating Pearson's r