With Regard to Logistic Regression, Which of the Following Sentences

Multiple Choice

With regard to logistic regression, which of the following sentences about the R-statistic is false?

A) The R-statistic is by no means an accurate measure and should be treated with some caution.
B) A negative value of the R-statistic implies that as the predictor variable decreases, the likelihood ratio of the outcome occurring decreases.
C) The R-statistic is the partial correlation between the outcome variable and each of the predictor variables.
D) The R-statistic can vary between -1 and 1.