AIC	Akaike information criterion
CFA	Confirmatory factor analysis
CFI	Comparative Fit Index
GFI	Goodness of Fit Index
ICC	Intraclass correlation
IES-R	Impact of Event Scale-Revised
IFI	Incremental fit index
MCFA	Multilevel confirmatory factor analysis
NFI	Normed Fit Index
NNFI	(Non) Normed Fit Index
PVUNE	Proportion of Variance Unexplained
PTSD	Post-traumatic stress disorder
RMSEA	Root mean square error of approximation
RMR	Root mean square residual
SRMR	Standardized root mean square residual