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Presenting Amazon's Mechanical Turk as more than just a data sample – A study of MTurker experiences


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Figure 1

Interaction of work volition and income category on life satisfaction
Interaction of work volition and income category on life satisfaction

ANOVA results for stress

Predictor Sum of Squares df Mean Square F p
(Intercept) 1473.80 1 1473.80 3014.88 0.000
Income Category 1.95 1 1.95 3.99 0.047
Work Volition 13.44 1 13.44 27.50 0.000
Error 179.89 368 0.49

Overall descriptive statistics and correlations

Mean S.D. 1 2 3 4 5 6
1. Work Volition 3.97 1.07 -
2. Job Satisfaction 3.7 0.87 0.32** -
3. Life Satisfaction 3.27 1.11 0.32** 0.29** -
4. Stress 2.71 0.77 −0.41** −0.25* −0.38** -
5. Age (years) 46.16 142.61 −0.01 −0.03 0.07 −0.01 -
6. Racea 1.40 0.85 −1.07 0.04 −0.08 0.16** −0.01 -
7. Overall Salary 45551.79 72208.4 0.06 −0.02 0.18** 0.01 0.01 −0.02

ANOVA results for job satisfaction

Predictor Sum of Squares df Mean Square F p
(Intercept) 4119.42 1 4119.42 5835.57 0.000
Income Category 5.25 1 5.25 7.43 0.007
Work Volition 8.84 1 8.84 12.52 0.000
Income Category × Work Volition 0.04 1 0.04 0.06 0.815
Error 260.48 369 0.71

ANOVA results for life satisfaction

Predictor Sum of Squares df Mean Square F p
(Intercept) 3113.44 1 3113.44 2612.76 0.000
Income Category 0.02 1 0.02 0.02 0.889
Work Volition 5.98 1 5.98 5.02 0.026
Income Category × Work Volition 13.51 1 13.51 11.34 0.001
Error 439.71 369 1.19