The ______ the desired width of a confidence interval, the ______ the necessary sample size.
a. larger; larger
b. smaller; smaller
c. larger; smaller
d. smaller; larger
d. smaller; larger
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Dramatic play is an accepted part of the early childhood program
a. True b. False
Refer to Exhibit 12-2. Which is a hypothesis of common cause?
a. adolescents with criminal records have difficulty getting accepted into athletic teams. b. athletes avoid criminal records because police "look the other way" when athletes are involved in crime. c. athletic activities keep adolescents off the street and out of crime. d. the kind of adolescents who choose to participate in athletics are more inclined to avoid crime than are other adolescents.
Describe "active listening," and provide an example of how you can implement it.
What will be an ideal response?
A psychologist randomly assigns 25 of his 100 clients to each of four different kinds of therapy: Gestalt, Rational Emotive, Cognitive-Behavioral, and Psychoanalysis. He also administers two kinds of drug treatment (Drug A and Drug B) to each participant in all four types of therapy. He is careful to randomize the order of the drug treatment so that an equal number of clients within each therapy type receive each order of drug treatment (i.e.: First Drug A, then Drug B or vice versa). What are the degrees of freedom for the total SS?
What will be an ideal response?