95% limits of reliability and 95% confidence interval by age-group.
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资源简介：
The low correlations obtained for the 4-year-olds are correct; they are partly because only one child in this age-group scored 1600 arcsec on either test (and this child then scored 40 arcsec on retest), so there was a lower range of values (note the high confidence intervals).
创建时间：
2019-11-07
