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Instruction : Solve the problems #1 by hand and solve #2 using SPSS program .

Instruction: Solve the problems #1 by hand and solve #2 using SPSS program. For #2, you should provide means, standard deviations, N, SS, df, MS, F, and p-value, which can be found in the output file.

 

1. A survey asked college students how they react to their stressful situations during the school year. The most common reactions were drinking, smoking, outing, and doing nothing. Then, the survey asked respondents to choose the one that they are most likely to take when stressed, and to rate the perceived effectiveness of the reaction. Below is a simplified version of the data. Provide the null and alternative hypotheses and test the null hypothesis at the significance level of .05. Based on the results, what conclusion can you draw?

 

     Drinking        Smoking          Outing           Nothing

           9                     3                     2                     5

           3                     8                     3                     8         

           6                     7                     6                     1

           4                     3                     8                     7

           4                     7                     3                     0

                                   3                     8                     6

 

2. A groups of developmental psychologists wanted to examine under what conditions children of 24 month of age can generate the most number of words. They randomly selected 45 children and randomly assigned them to three different conditions. Then they measured the number of words the children uttered in the three conditions. Specify the null hypothesis and test it at the significance level of .05. What is your conclusion?

Make sure to provide the summary table from SPSS.

 

Child playing alone         After bath                After dinner          

21                               47                               39

 2                                19                               42

 6                                24                               10

 1                                12                               24

 7                                48                               29

53                               53                               34

 0                                20                               45

 6                                17                               31

10                               29                               35

18                               41                               65

 9                                67                               55

23                               38                               57

25                               51                               98

 2                                31                               43

24                               58                               75

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