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Articles

Early identification of children at risk for academic difficulties using standardized assessment: stability and predictive validity of preschool math and language scores

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Figures & data

Table 1. Sample demographics.

Table 2. Test score descriptives per measurement occasion.

Figure 1. Mean scores for the language tests (y-axes) per measurement occasion (x-axes), split by missing data pattern (headers, 0 = observed, 1 = missing).

Figure 1. Mean scores for the language tests (y-axes) per measurement occasion (x-axes), split by missing data pattern (headers, 0 = observed, 1 = missing).

Figure 2. Mean scores for the mathematics tests (y-axes) per measurement occasion (x-axes), split by missing data pattern (headers, 0 = observed, 1 = missing).

Figure 2. Mean scores for the mathematics tests (y-axes) per measurement occasion (x-axes), split by missing data pattern (headers, 0 = observed, 1 = missing).

Table 3. Conditions used to cluster children that received at least one ≤25th percentile score on the language (n = 143) or math (n = 101) tests, and percentages in each group.

Table 4. Estimated transition rates and standard errors for language and mathematics.

Table 5. Fixed effects and standard errors for multilevel models on imputed data.

Table 6. Observed correlations of language scores (pairwise deletion, above diagonal) and MI estimated language correlations from multilevel model (below diagonal).

Table 7. Observed correlations of math scores (pairwise deletion, above diagonal) and MI estimated mathematics correlations from multilevel model (below diagonal).