For 2 × k contingency tables, we consider the statistic r*, the maximal correlation between the row and column variables, where the maximum is taken over all possible sets of scores (or "scales" or ...

The author of this essay wonders whether in teaching our students the latest analytic techniques we have neglected to emphasize the importance of understanding the most basic aspects of a study's ...

Log-in to bookmark & organize content - it's free! Journalist Alberto Cairo talked the biases that people have when interpreting charts. He discussed the concepts of confirmation bias and correlation.