Paul R. Yarnold
Optimal Data Analysis, LLC
Scores of N = 8 single and N = 6 married people on a survey measure of need for achievement were compared by point-biserial correlation: r = 0.82, p < 0.05. Comparing scores of married and single people using UniODA yielded a perfect model: ESS = 100, p < 0.0006.
odajournal.com 