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Assignment 7 - Soci 332 American Military university Statistics for social science

#1

Assignment Instructions
Download the attached file.
Submit the following files to the Drop Box no later than Sunday of Week 7:
Word file (this file) saved as [your last name]_SOCI332_Weekly Assignment 7.doc
SPSS output file (.spv) saved as [your last name]_SPSS-week7_output

The deadline for this assignment is 11:59 PM EST on Sunday of Week 7


WEEKLY ASSIGNMENT 7


This week you will find a balance between “mental math” and SPSS software to help solve the following problems using the five steps of hypothesis testing. Enter your answers in the spaces provided. Save the file using your last name as the beginning of the file name (e.g., Krieger_SOCI332_Weekly Assignment 7.doc) and submit via “Assignments.” When appropriate, show your work. All work should be typed into this document. Remember to include your SPSS output data file in your submission.

SPSS instructions:

Open SPSS

Analyze the data for #1. Remember that SPSS assumes that all the scores in a row are from the same participant. In this study, there are 15 participants divided into three groups of five. Therefore, each of the 15 participants will be described by two variables, type of therapy and the number of activities of daily living performed.

If “1” represents the group receiving individual therapy for 1 hour every 2 weeks, “2” represents the group receiving 1 hour of individual therapy each week, and “3” indicates the group receiving 2 hours of individual therapy each week, the first participant will be described by entering “1” in the top cell of the first column in the Data View window and “16” in the top cell of the second column to indicate that the participant underwent 1 hour of therapy every 2 weeks and performed 16 activities of daily living. The second participant will be described by “1” and “15”, and the third by “1” and “18”.

When the two variables have been entered for the five participants in this group, repeat the process for participants who underwent 1 hour of individual therapy each week, using “2” to describe their therapy group. When the two variables for the five participants in this group have been entered, repeat the process for Group 3, entering “3” in the first column. In the Variable View window, change the first variable name to “THERAPY” and the second to “ADL” and set the decimals for both to zero.

Click Analyze Compare Means One-Way ANOVA Since “THERAPY” is already selected, you can click the arrow to move the variable to the Factor window. Select “ADL” and click the arrow to move the variable to the Dependent List window, which instruct SPSS to conduct the analysis of variance on the number of activities performed.

Click “Options” and click the box labeled “Descriptive” to obtain descriptive statistics.
Click Continue.
Click OK.

1. Keep in mind that the clients in Group 1 will receive 1 hour of therapy every 2 weeks, the clients in Group 2 will receive 1 hour of therapy every week, and the clients in Group 3 will receive 2 hours of therapy every week.

Use the five steps of hypothesis testing to determine whether the observed differences in the number of activities in the following table performed by the three groups are statistically significant at the .05 level of significance. Clearly indicate each of the five steps.

Calculate the effect size for the study. Explain your results.


CLIENT
GROUP 1
GROUP 2
GROUP 3
1
16
21
24
2
15
20
21
3
18
17
25
4
21
23
20
5
19
19
22


2. Describe the circumstances under which you should use ANOVA instead of t tests, and explain why t tests are inappropriate in these circumstances.

Submit the following files to the Drop Box no later than Sunday of Week 7:
⎫ Word file (this file) saved as [YOUR LAST NAME]_SOCI332_Weekly Assignment 7.doc
⎫ SPSS output file (.spv) saved as [YOUR LAST NAME]_SPSS-week7_output


The deadline for this assignment is 11:59 PM EST on Sunday of Week 7


Attached Files
.doc SOCI332_Weekly+Assignment_7.doc Size: 41.5 KB  Downloads: 6

domyonlinemathclass

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