A particular concern about the usefulness of single-subject designs is ____
a. researcher bias
b. whether they provide information about cause and effect
c. their internal validity
d. their external validity
d
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According to the trichromatic theory of color vision ____
a. there are only three rods and three cones in each eye b. there are only three colors of light in the world c. rods are important for perception of light colors d. our perception of color depends on the relative activity of three types of cones
The man who discovered that nitrous oxide could be used in anesthesia was __________
a. Timothy Leary b. William Halstead c. Horace Wells d. Lefty Driesell
Discuss the goodness of fit hypothesis
What will be an ideal response?
Anxiety is considered abnormal when it ____.?
a. ?is expressed in unusual circumstances b. ?is exhibited more than twice within a 30 day period c. ?is observed in social settings d. ?interferes with one’s ability to function