C. Spearman

The proof and measurement of association between two things.

C. Spearman, 2015, International journal of epidemiology.

The proof and measurement of association between two things. By C. Spearman, 1904.

C. Spearman, 1987, The American journal of psychology.

The proof and measurement of association between two things. By C. Spearman, 1904.

C. Spearman, 1987, The American journal of psychology.