Grasso, Massimo, and Pietro Stampa. “. Are We Really so Sure ‘we’re Not in Kansas Any more’? Quantitative Methods and Research Epistemology in Psychotherapy: A Critical Perspective”. Rivista Di Psicologia Clinica , no. 1, Feb. 2013, https://quadernidipsicologiaclinica.com/index.php/rpc-archivio/article/view/1057.