Marla conducts a study to gradually teach a poodle to jump through a flaming hoop. At each session, Marla introduces a more stringent set of guidelines before reinforcing the poodle. Which one of the following designs would be most appropriate for this study?
a. changing-criterion design
b. A-B-A-B design
c. multiple-baseline design
d. interaction design
a
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A disorder that is more serious than ODD and is marked by serious rule violations and often by illegal behavior is called __________ disorder
Answer:
The data from an independent-measures research study produce a sample mean difference of 6 points and an estimated standard error of 2 points. If there are n = 8 scores in each sample, what is the value for the t statistic?
a. 6/2 c. 6/0.25 b. 6/4 d. 6/0.50
The possibility that an extraneous variable can become a confounding variable is eliminated completely by holding it constant
a. True b. False Indicate whether the statement is true or false
Unfair treatment associated with racial or ethnic prejudice is a major source of frustration and stress in the lives of many minority group members because
a. humans are highly sensitive to social sources of frustration. b. the approach-avoidance conflict creates intense frustration. c. pressure precipitates the activation of the autonomic nervous system. d. humans have an innate sense of justice.