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. Author manuscript; available in PMC: 2016 May 12.
Published in final edited form as: J Learn Disabil. 2011 Jun 17;44(4):339–347. doi: 10.1177/0022219411407864

Table 5.

Variance Estimates and Intraclass Correlations for the First Grade Reading Outcomes

Measures Variance Estimate
ICC-School ICC-Class
School Class Individual
WID 30.1 14.6 193.3 .126 .061
SWE 3.1 2.5 23.4 .107 .086
PC 23.8 30.3 236.4 .082 .104

Note: N = 318. ICC = intraclass correlation coefficient; WID = word identification; SWE = sight word efficiency; PC = passage comprehension.