The Kruskal-Wallis test is appropriate when
a. we have several independent groups.
b. we want to compare group medians rather than means.
c. we are worried about outliers.
d. all of the above
D
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Displaying the CS response strength results for the three levels of CS-intensity in a single graph confirmed that
a. the rate of acquisition was unaffected by the intensity of the CS. b. the asymptotic level of conditioning was the same for each level of CS intensity. c. acquisition was complete after one trial with the high-intensity CS. d. the change in CS response strength from one trial to the next was smaller in the earlier trials than in the later trials.
For females, the waist-hip ratio (WHR) considered most attractive is __________
a. 0.5 b. 0.7 c. 0.9 d. 1.0
Why was the perspective followed by Wilhelm Wundt and his followers called structuralism?
A. They wanted to identify the major brain structures. B. Their primary goal was to understand the physiology of the mind. C. They focused their efforts on analyzing the elements of the nervous system. D. Their primary focus was on describing the structure of conscious experience.
In nearsightedness, the image is focused __________.
A. on the retina B. behind the retina C. in front of the retina D. on the fovea