Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:Selective attrition analyses revealed no significant differences in project site, race, ethnicity, gender, or child problem behavior (Dishion et al. 2008). Models were tested inMplus 5.21 (Muthén andMuthén 2009) with a full information maximum likelihood (FIML) approach. Although there was some missing data at the two time points (n=651–731 for parent reported measures, n=559–693 for observed variables, including speech samples), FIML accommodates missing data and provides less biased estimates than listwise or pairwise deletion (Schafer and Graham 2002). Using FIML procedures, analyses included all participants except when they were missing data on an independent predictor that cannot be estimated with missingness (e.g., a covariate, such as poverty), resulting in an effective sample size of 728. The use of Mplus also permitted evaluation of multiple indices of model fit including Chi-square, Root Mean Square Error of Approximation (RMSEA), Comparative Fit Index (CFI), and the significance of individual paths. J Abnorm Child Psychol (2014) 42:1275–1285 1279
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