How to Report Spearman's Correlation in APA Format
- Round the p-value to three decimal places.
- Round the value for r to two decimal places.
- Drop the leading 0 for the p-value and r (e.g. use . 77, not 0.77)
- The degrees of freedom (df) is calculated as N – 2.
How do you write Spearman's correlation?
The Spearman rank-order correlation coefficient (Spearman's correlation, for short) is a nonparametric measure of the strength and direction of association that exists between two variables measured on at least an ordinal scale. It is denoted by the symbol rs (or the Greek letter ρ, pronounced rho).
How do you interpret the Spearman correlation?
The Spearman correlation coefficient, rs, can take values from +1 to -1. A rs of +1 indicates a perfect association of ranks, a rs of zero indicates no association between ranks and a rs of -1 indicates a perfect negative association of ranks. The closer rs is to zero, the weaker the association between the ranks.
