The correlation between two nominal variables is measured using the _____ coefficient, and the correlation between two ordinal variables is measured using the _____ coefficient.
a. Pearson product-moment correlation; Spearman rank-order correlation
b. Spearman rank-order correlation; Pearson product-moment correlation
c. phi; Spearman rank-order correlation
d. point-biserial correlation; Spearman rank-order correlation
Question 2
If both variables are measured on a nominal scale, what type of correlation coefficient is appropriate?
a. Spearman's rank-order correlation coefficient
b. Phi coefficient
c. Point-biserial correlation coefficient
d. None, because correlations cannot be computed on nominal data
The secular trend in growth as measured in Swedish (a) girls and (b) boys between 1883 and 1968.
The declining age of menarche over the past 150 years has been measured in many European countries,
Independent and Dependent Variables
The relationship of substrate con- version (as measured by optical density) to the amount of patient ...
Table - Correlation Analysis
Table - Correlation Analysis