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Summary |
| Number of items | 30 |
| Mean | 64.25 |
| Median | 66.00 |
| Mode | 75.00 |
| Standard Deviation | 16.14 |
| Maximum value | 100 |
| Minimum value | 0 |
| Sample size | 26,289 |
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Internal Consistency |
| Split-Half Reliability |
| Correlation between forms | 0.8749 |
| Spearman-Brown formula | 0.9333 |
| Guttman formula | 0.9298 |
| Alpha for part 1 | 0.8943 |
| Alpha for part 2 | 0.8613 |
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| Inter-Item Consistency |
| Cronbach's Coefficient Alpha | 0.9354 |
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Distribution
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The distribution of the scores is shown in red, the normal curve is represented by the black line plotted over it. The scores are displayed on the x-axis. The y-axis corresponds to the number of respondents who fall into the relevant score range.
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Sample description
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The sample used in this study was randomly selected from a pool of nearly twenty thousand participants. It includes men and women, aged 10 to 80, who took the test on PsychTests.com website.
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Age
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| n |
Mean |
SD |
| 26,289 |
29.00 |
11.57 |
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Score differences between women and men |
| t(1352) = 2.4 |
p < 0.025 |
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Correlation between age and the test score |
| r(1, 1708) = 0.13 |
p < 0.001 |
| score = 21.33 + (0.09) * age |
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