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To test whether memory changes with age and whether memory changes differentially for males and females., a researcher conducts an experiment in which there are

To test whether memory changes with age and whether memory changes differentially for males and females., a researcher conducts an experiment in which there are eight groups of six subjects each. The groups differ according to the age and gender of the subjects. In group 1, the subjects are each 30 years old; group 2, 40 years old; group 3, 50 years old; and group 4, 60 years old. Assume that the subjects are all in good health and that the groups are matched on other important variables such as years of education, IQ, gender, motivation, and so on. Each subject is shown a series of words at a rate of one word every 4 seconds. The series is shown twice after which the subjects are asked to write down as many of the words as they can remember. The number of words remembered by each subject is shown here:

Males

30 Years 40 Years 50 Years 60 Years

Old Old Old Old

14.00 15 18 14

17.00 17 21 13

18.00 17 16 9

18.00 15 14 10

15.00 17 13 10

16.00 19 16 12

Females

30 Years 40 Years 50 Years 60 Years

Old Old Old Old

14.00 17 21 17

15.00 17 20 16

18.00 21 20 14

20.00 16 13 11

19.00 18 20 11

18.00 22 17 15

Compute a two-way anova and copy and paste the appropriate table from SPSS to depict the correct output from the analysis of variance.

  1. (1) Do you have homogeneity of variance? How do you know?copy and paste the appropriate table from SPSS to depict the correct output from the analysis of variance and write your answer to the question.

2. Compute omega squared and Cohen's F for each main effect and the interaction. Show work.

Insert in the table below the correct value of omega squared and cohen's F for each effect

Effect Omega squared Cohen's F
ME Gender
ME ge
Interaction

1. If the Main Effect of Gender is Significant conduct subsequent pairwise comparisons using Tukey if needed. If it is not significant state that below. Make sure I can easily see what the critical difference and the observed differences are. Write specific conclusions below.

2. If the Main Effect of Age is significant conduct subsequent pairwise comparisons using Tukey if needed. If it is not significant state that below. Make sure I can easily see what the critical difference and the observed differences are. Write specific conclusions below.

3. If the interaction of Gender and Age is significant conduct subsequent pairwise comparisons using Tukey if needed. If it is not significant state that below. Make sure I can easily see what the critical difference and the observed differences are. Write specific conclusions below.

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