19. A number of studies have explored the relationship between neuroticism and alcoholism using an animal model. Here is a typical study. From each of seven litters, two cats were randomly selected. One cat from each pair was assigned to an experimental group, which was subjected to a procedure that induced temporary neurosis; the other cat in each pair was placed in a control group. Then, all cats were offered milk spiked with 5% alcohol. The amount consumed in three minutes was measured in milliliters and is shown in Table 10.9. Does neurosis increase the consumption of alcohol? Table 10.9 Amount of alcohol-spiked milk consumed (in ml) Littermate No experimental neurosis Experimental neurosis pairs 1 63 88 59 90 3 52 74 4 51 78 5 46 78 44 61 7. 38 54 a. What test should you use to analyze these results, and why? Will you use a one-tailed or a two-tailed test? b. What significance level will you use, and why? 2.

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19. A number of studies have explored the relationship between neuroticism and alcoholism
using an animal model. Here is a typical study. From each of seven litters, two cats were
randomly selected. One cat from each pair was assigned to an experimental group, which
was subjected to a procedure that induced temporary neurosis; the other cat in each pair
was placed in a control group. Then, all cats were offered milk spiked with 5% alcohol.
The amount consumed in three minutes was measured in milliliters and is shown in Table
10.9. Does neurosis increase the consumption of alcohol?
Table 10.9
Amount of alcohol-spiked milk consumed (in ml)
Littermate
No experimental neurosis
Experimental neurosis
pairs
63
88
59
90
52
74
4
51
78
46
78
6.
44
61
38
54
a. What test should you use to analyze these results, and why? Will you use a one-tailed
or a two-tailed test?
b. What significance level will you use, and why?
1,
2.
3.
Transcribed Image Text:19. A number of studies have explored the relationship between neuroticism and alcoholism using an animal model. Here is a typical study. From each of seven litters, two cats were randomly selected. One cat from each pair was assigned to an experimental group, which was subjected to a procedure that induced temporary neurosis; the other cat in each pair was placed in a control group. Then, all cats were offered milk spiked with 5% alcohol. The amount consumed in three minutes was measured in milliliters and is shown in Table 10.9. Does neurosis increase the consumption of alcohol? Table 10.9 Amount of alcohol-spiked milk consumed (in ml) Littermate No experimental neurosis Experimental neurosis pairs 63 88 59 90 52 74 4 51 78 46 78 6. 44 61 38 54 a. What test should you use to analyze these results, and why? Will you use a one-tailed or a two-tailed test? b. What significance level will you use, and why? 1, 2. 3.
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