A researcher is interested in testing the effectiveness of using "clickers" for question-and-answer sessions during lectures. He asks students in the morning section of his course to use clickers to respond to in-class questions. Students in the afternoon section write answers to questions in their notebook. He compares the students' average test performance for the two sections. The researcher will not be able to interpret the results because his study is flawed due to
A. his limited ability to generalize his results to other students and courses.
B. the confounding of class section (morning, afternoon) and response method (clicker, notebook).
C. his failure to manipulate an independent variable.
D. the correlation between response method (clicker, notebook) and test performance.
B. the confounding of class section (morning, afternoon) and response method (clicker, notebook).
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Which of the following students provides the most accurate summary of the information regarding the psychological aspects of HIV/AIDS?
a. Mary: "Almost all people remain deeply depressed for many months after they learn that they are HIV-positive.". b. Ali: "Fortunately, very few HIV-positive individuals experience discrimination or rejection from other people.". c. Magda: "People report widely different reactions from friends and family—from warmth and support, to complete rejection.". d. Francis: "Unfortunately, there has been surprisingly little research on the psychological aspects of HIV and AIDS.".
Titchener discarded aspects of Wundt's system, including ____.?
a. ?his focus on consciousness b. ?introspection c. ?apperception d. ?elements of consciousness e. ?none of the choices are correct; Titchener retained virtually all of Wundt's system
All of the following factors may be associated with eating disorders EXCEPT
a. issues of control and perfectionism. b. cultural pressures to be thin. c. abnormally low or high set points. d. sexual or physical abuse. e. disturbances in brain mechanisms.
An interview for substance abuse that goes beyond just getting information regarding the problem, and provides empathy, support, and sets specific treatment goals would be a
a. rational emotive treatment. b. personal challenge and support interview. c. meaningless and futile effort. d. motivational interview.