... Cascinu S, Giordani P, Agostinelli R, Gasparini G, Barni S, Beretta GD,Pulita F, Iacorossi L, Gattuso D, Mare M, Munao S, Labianca R, Tode-schini R, Camisa R, Cellerino R, Catalano G: Pain and ... exploratory factor analysis was performed on one half of the data,and the fitness of the plausible model was examined in the other half of the data using a confirmatory factor analysis. Simultaneous multi-group ... analyses were conducted in the combined data of 408 psychiatric outpatients and 1069 undergraduate students. The data pool was randomly split in half for a cross validation. An exploratory factor...