• tetrachoric correlation coefficient

चतुष्कोष्‍ठिक:    tetrachoric

चतुष्कोष्‍ठिक सहसंबंध:    tetrachoric correlation

सहसंबंध:    correlation collocation

सहसंबंध गुणांक:    co-efficient of correlation correlaiton

गुणांक:    coefficient co-efficient coefficent efficient