Cronbach alpha | Mathematics homework help

Calculate Cronbach’s alpha on the scale provided on pp. 710-711 of the Field text using the SAQ.sav file.

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Here is the scale provided on pp, 710-711 of the Andy Field text book:
1 Subscale 1 (Fear of statistics): items 1, 3, 4, 5, 12, 16, 20, 21
2 Subscale 2 (Peer evaluation): items 2, 9, 19, 22, 23
3 Subscale 3 (Fear of computers): items 6, 7, 10, 13, 14, 15, 18
4 Subscale 4 (Fear of mathematics): items 8, 11, 17
(Field 711)
Field, Andy. Discovering Statistics using IBM SPSS Statistics, 4th Edition. Sage Publications (UK), 41298. VitalBook file.

Report your findings in APA format:
1. (State the underlying assumptions for the statistical test.
2. (State whether the assumptions have been met. If the assumptions were not met (either in actuality or hypothetically), state what alternatives you have available to you.
3. (State the null and alternative (research) hypotheses.
4. (Copy your syntax file and paste it into your MS Word Document.
5. (For your output file: Select all  Copy all objects  Paste into your MS word document. This will ensure that your output is in a form that your instructor can read.
6. (Create a results table consistent with requirements from the APA style manual.
7. (Report the results using correct APA format.
a. For ANOVA, ANCOVA, and Repeated Measures ANOVA models, ensure that you provide interpretations for the main effects and interactions as well as any post-hoc tests.
b. For Multiple and Logistic Regression models, ensure that you include appropriate measures of model fit as well as the specific procedure used (e.g., Hierarchical, Enter, Stepwise, Forward, Backward).
8. (Describe how you would compute the sample size to achieve 80% power, alpha = .05, and the appropriate

 

 

Here is the scale provided on pp, 710-711 of the Andy Field text book:

 

1          Subscale 1 (Fear of statistics): items 1, 3, 4, 5, 12, 16, 20, 21

 

2          Subscale 2 (Peer evaluation): items 2, 9, 19, 22, 23

 

3          Subscale 3 (Fear of computers): items 6, 7, 10, 13, 14, 15, 18

 

4          Subscale 4 (Fear of mathematics): items 8, 11, 17

 

 (Field 711)

 

Field, Andy. Discovering Statistics using IBM SPSS Statistics, 4th Edition. Sage Publications (UK), 41298. VitalBook file.

 

Cronbach’s alpha

Internal consistency

α ≥ 0.9

Excellent (High-Stakes testing)

0.7 ≤ α < 0.9

Good (Low-Stakes testing)

0.6 ≤ α < 0.7

Acceptable

0.5 ≤ α < 0.6

Poor

α < 0.5

Unacceptable

 













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