AUTHOR=Otworowska Maria, Kwisthout Johan, van Rooij Iris TITLE=Counter-factual mathematics of counterfactual predictive models JOURNAL=Frontiers in Psychology VOLUME=5 YEAR=2014 URL=https://www.frontiersin.org/articles/10.3389/fpsyg.2014.00801 DOI=10.3389/fpsyg.2014.00801 ISSN=1664-1078