Who among the following is using a self-report measure to assess the trait of extraversion in the context of personality assessment?
A. Dr. Portillo is recording the extraversion scores of all the participants at his own laboratory.
B. Dr. Portillo is interpreting participants' responses to the Thematic Apperception Test (TAT) pictures.
C. Ron, a graduate student is examining his own extraversion scores on a test of the Big Five dimensions.
D. William, a postdoctoral research fellow is recording the number and length of conversations participants initiate in a laboratory situation.
Answer: C
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The difference between KR 20 and coefficient alpha is
a. KR 20 can be used to evaluate time sampling problems while alpha cannot. b. Alpha can be used to evaluate time sampling problems while KR 20 cannot. c. KR 20 can only be used for items scored right or wrong but Alpha can be used for items in any format. d. Alpha can only be used for items scored right or wrong but KR 20 can be used for items in any format.
Which of the following is an example of the depth cue of relative clarity?
a. Tall buildings appear farther away when viewed from a distance on a smoggy day compared to a fair day. b. The texture of sand beneath your feet is more detailed than the texture of sand 30 feet in front of you. c. Lines on the sides of the road appear to come together in the distance. d. Two buildings are known to be the same size, but the one that is closer appears larger. e. In a photograph, patterns of light and dark create the appearance of three-dimensional objects, even though the photo is flat.
Which of the following is an incorrect statement regarding the DSM?
a. it does not suggest therapies or methods of treatment b. it is assumed more than one psychological disorder can occur in the same individual c. a person's medical history is not considered when making a diagnosis d. environmental and psychosocial problems are not considered in the diagnostic process
Which type of research most specifically does NOT rely on numerical data?
a. Correlation b. Experimentation c. Naturalistic observation d. Quantitative research e. Qualitative research