For the independent-measures t statistic, what is the effect of increasing the difference between sample means?
a. Increase the likelihood of rejecting H0 and increase measures of effect size
b. Increase the likelihood of rejecting H0 and decrease measures of effect size
c. Decrease the likelihood of rejecting H0 and increase measures of effect size
d. Decrease the likelihood of rejecting H0and decrease measures of effect size
A
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Wes is HIV+. As a client at a local nonprofit organization for HIV+ people and their families, Wes receives regular counseling, assistance in scheduling and transportation to medical appointments, and reminders to adhere to treatment regimens. This type of patient support program should ______.
A. improve not only Wes’s quality of life, but also reduce his physical symptoms B. improve Wes’s physical symptoms, but do little for the quality of his life C. improve Wes’s quality of life, but do little for his physical symptoms D. do little for either Wes’s quality of life or his physical symptoms
Analogue studies are used when researchers ____
a. are unable to use an experimental design b. are able to use only a single subject who must act as his or her own control c. are unable to recruit a sufficient number of human participants d. cannot practically or ethically observe behaviors as they occur in real life
Which of the following is the best definition of a concept?
A. a specific member of a category used to represent that category B. a representation of a category formed by averaging all the members of that category C. an internal mental process that can include information processing and thinking D. an organizing principle derived from experience
The opposite of stimulus generalization is:
a. stimulus discrimination b. unconditioned stimulus. c. conditioned stimulus. d. response generalization.