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Homework 3:
1. A cognitive psychologists knows that concrete words, which easily evoke images (.e.g. "sunset", "truck") are easier to remember than abstract words, but she would like to know if those who frequently use visual imagery differ from those with little visual imagery when trying to memorize these two types of words. She conducts a 2X2 experiment with give subjects in each cell and measures the number of words each subject recalls. The data appear in the following table:
visualizers
Nonvisualizers
Concrete words
17
20
18
21
T=96
19
T=91
Abstract words
14
15
16
T=77
T=89
G=353, ΣX2=6295
a. State all the appropriate null and alternative hypothesesb. Carry out the appropriate test and summarize all the information in an ANOVA summary tablec. State your conclusionsd. Create a plot for the data 2. SOLVE THE FOLLOWING PROBLEM IN SPSS. ATTACH ALL OUTPUT. A college is conducting a study of its students' expectations of employment upon graduation. Students are sampled by class and major area of study and are given a score of 0 to 35 according to their responses to a questionnaire concerning their job preparedness, goal orientation, etc. the data appear in the following table:
humanities
sciences
business
freshmen
2
4
3
7
5
6
9
10
8
12
sophomores
13
Juniors
25
22
Seniors
30
33
34
29
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