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. Author manuscript; available in PMC: 2023 Oct 1.
Published in final edited form as: Dev Psychol. 2022 Jun 30;58(10):1962–1973. doi: 10.1037/dev0001396

Table 6.

Predicted Means for Numbers Reversed in the ECLS-K:2011.

Time Mean SE LCI UCI

1 436.77 .26 436.27 437.27
2 451.13 .20 450.74 451.51
3 459.53 .17 459.19 459.87
4 465.49 .16 465.16 465.81
5 473.88 .16 473.56 474.21
6 479.84 .17 479.51 480.19
7 484.47 .19 484.10 484.83
8 488.24 .20 487.86 488.63
9 491.44 .21 491.02 491.85

Note: Estimates were calculated by running a weighted multilevel model where time was a logarithmic function. Missing data were handled using multiple imputation.