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. Author manuscript; available in PMC: 2010 Jan 12.
Published in final edited form as: Rev Educ Res. 2009 Mar 1;79(1):262–300. doi: 10.3102/0034654308325998

TABLE 5.

Average weighted effects by measurement and intervention type

Effect size (95% confidence interval)
Measurement type
 All measures (n = 13) 0.89 (0.42, 1.36)
 Standardized measures (n = 7) 0.47 (0.12, 0.82)
 Researcher developed measures (n = 9) 1.19 (1.10, 1.37)
Intervention Type
 Fluency (n = 1) −0.03 (−0.56, 0.62)
 Word study (n = 2) 0.34 (−0.22, 0.88)
 Multicomponent (n = 3) 0.72 (0.45, 0.99)
 Comprehension (n = 7) 1.23 (0.96, 1.5)