A researcher records the correlation between gender and response speed (in seconds) to a test stimulus. Which correlation measure is the most appropriate for this analysis?
A. Spearman
B. point-biserial
C. รถ
D. regression
Answer: B
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Kennedy is terrified of heights and flying. This is really holding him back in his career as a traveling stilt salesman. According to the DSM-5, his condition would be diagnosed as
a. Agoraphobia. b. Panic Disorder. c. Specific Phobia. d. PTSD.
If a study is high in internal validity, then the researcher can be fairly certain that changes in the ____ were indeed due to changes in the ____
a. construct validity of the cause; construct validity of the effect b. independent variable; dependent variable c. external variable; internal variable d. hypothesis; theory
The example presented in your textbook about assuming that a body-builder is a large man, but in fact, he is a small man, represents the influence of:
A. continuity B. phi phenomenon C. perceptual set D. perception
The deficits of ASD become increasingly noticeable ____
a. from birth b. around 6 months of age c. around 2 years of age d. when the child enters school