1- A-Multilevel model. B- Reliability analysis. C-Hierarchical multiple regressi

Question

1-

A-Multilevel model. B- Reliability analysis. C-Hierarchical multiple regression. D-Factor analysis.

2-

A-Stress from teaching. B-Stress from research. C-Stress from providing pastoral care. D-Perceived control

3-

A-80.3%. B-89.6%. c- 8.3%. D-79.2%

4-

A-Heteroscedasticity of errors. B- Homoscedasticity of errors C-Normality of errors. D-Independence of errors and homoscedasticity

5-

A-The proportion of variance in depression explained by news exposure

B-The ratio of how much error there is in the model, compared to how much variability there is in depression scores

C-The ratio of how much the prediction of depression has improved by fitting the model, compared to how much error still remains

D-The improvement in the prediction of depression by fitting the model

A-Multilevel model. B- Reliability analysis. C-Hierarchical multiple regression. D-Factor analysis.

2-

A-Stress from teaching. B-Stress from research. C-Stress from providing pastoral care. D-Perceived control

3-

A-80.3%. B-89.6%. c- 8.3%. D-79.2%

4-

A-Heteroscedasticity of errors. B- Homoscedasticity of errors C-Normality of errors. D-Independence of errors and homoscedasticity

5-

A-The proportion of variance in depression explained by news exposure

B-The ratio of how much error there is in the model, compared to how much variability there is in depression scores

C-The ratio of how much the prediction of depression has improved by fitting the model, compared to how much error still remains

D-The improvement in the prediction of depression by fitting the model

Recent research has shown that lecturers are among the most stressed workers. A researcher wanted to know exactly what it was about being a lecturer that created this stress and subsequent burnout. She recruited 75 lecturers and administered several questionnaires that measured: Burnout (high score = burnt out), Perceived Control (high scorelow perceived control), Coping Ability (high scorelow ability to cope with stress), Stress from Teaching (high score teaching creates a lot of stress for the person), Stress from Research (high score research creates a lot of stress for the person), and Stress from Providing Pastoral Care (high score = providing pastoral care creates a lot of stress for the person). The outcome of interest was burnout, and Cooper's (1988) model of stress indicates that perceived control and coping style are important predictors of this variable. The remaining predictors were measured to see the unique contribution of different aspects of a lecturer's work to their burnout. What analysis has been carried out? Variables Entered/Removed Variables Removed Model Variables Entered Method Coping Ability, Perceived Control Enter Stepwise (Criteria Probability-of-F-to-enter050 Probability-of-F-to-remove.100) Stepwise (Criteria Probability-of-F-to-enter

Explanation / Answer

1 - The analysis carried out is Hierarchical multiple regression. Hierarchical multiple regression is similar to stepwise regression, but the researcher, not the computer, determines the order of entry of the variables and F-tests are used to compute the significance of each added/removed variable. So the correct option is (C)

2 -

Stress from research variable is not included in any of the three models. So Stress from research does not predict burnout. So the correct option is (B)

3 -

R-sq for the final model is 0.803. So the variance in burnout explained by the final model is 80.3%. So the correct option is (C)

4 -

This plot shows that the residuals are not spread equally along the ranges of predictors. So the assumption of equal variance (homoscedasticity) is not satisfied. So, the scatterplot shows that Heteroscedasticity of errors.

So the correct option is (A)

5 -

3.030 is the Regression sum of squares which is the Explained Sum of squares which tells you how much of the variation in the dependent variable your model explained. So, it represents the proportion of variance in depression explained by news exposure. So the correct option is (A)

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