Hayes AF, Rockwood NJ. Regression-based statistical mediation and moderation analysis in clinical research: observations, recommendations, and implementation. Behav Res Ther. 2017 Nov;98:39-57. doi: 10.1016/j.brat.2016.11.001
See CW, Srinivasan M, Saravanan S, Oldenburg CE, Esterberg EJ, Ray KJ, Glaser TS, Tu EY, Zegans ME, McLeod SD, Acharya NR, Lietman TM. Prior elicitation and Bayesian analysis of the Steroids for Corneal Ulcers Trial. Ophthalmic Epidemiol. 2012 Dec;19(6):407-13.
Hartman M, Bolton E, Fehnel SE. Accounting for age differences on the Wisconsin Card Sorting Test: decreased working memory, not inflexibility. Psychol Aging. 2001 Sep 1;16(3):385-99.