Factoring fit indices in CFA at different stages: After the parallel analysis (Original), after alpha factoring (Alpha), after combining single item factors (Combined), and after removing low loading items (Optimal).

Three existing models (MIREX, GEMS, and GEMIAC) representing emotion structures induced by music are shown for comparison. χ2 is chi square difference statistic, Df degrees of freedom, the CFI comparative fit index, the TLI goodness of fit index, the RMSEA root mean square error of RMSEA with 90% the confidence intervals.