tetrachoric correlation
| coefficient
| tetrachoric correlation abbr. | |
| math. | ارتباط رباعي |
| coefficient abbr. | |
| econ. | معدل |
| math. | معامل |
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| ارتباط رباعي | |||
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tetrachoric correlation : 2 phrases in 1 subject |
| Statistics | 2 |