Charles Negy, Christopher J. Ferguson (Autore) Predicting Radical Progressive Ideology (RPI): Preliminary Findings from an Exploratory Study PDF (Inglese)
Anonymous (Autore) Review of Negy & Ferguson (2025): “Predicting Radical Progressive Ideology (RPI) from Personality and Attitudinal Variables” PDF (Inglese)
Sonia Yanovsky (Autore) The (De)merits of Radical Progressivism: Commentary on Negy & Ferguson (2025) PDF (Inglese)