Which of the following is the best formulated hypothesis?

a. A psychologist wonders if caffeine affects attention.
b. Does caffeine affect attention?
c. If caffeine is ingested, attention will be enhanced.
d. Caffeine and attention: a relationship?


C

Psychology

You might also like to view...

Regarding figure-ground perception, which of the following statements is TRUE?

a. Figures have shape, while ground does not. b. In the old lady/young lady figure, people most often see the old woman. c. In the vase/profile figure, the vase always represents the figure. d. Outlines always allow us to distinguish between ground and figure. e. Humans tend to perceive objects as ground when they have distinctive coloring.

Psychology

What is a polygraph?

a. The best-known physiological measure associated with evaluating truthfulness b. The graph that shows the plots of multiple personality assessments for one test taker c. A valid measure of truthfulness and honesty used for choosing job applicants for hire d. A valid neuropsychological measure of truthfulness and honesty

Psychology

Axis 4 of the DSM–IV-TR attempts to rate the individual's level of __________

a. GAF (Global Assessment of Functions) b. stress c. "normality" d. life functioning (social)

Psychology

The most prevalent DSM-5 personality disorder in a community setting is

a) antisocial personality disorder. b) borderline personality disorder. c) avoidant personality disorder. d) schizotypal personality disorder.

Psychology