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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: J Educ Psychol. 2019 Aug 5;112(4):718–734. doi: 10.1037/edu0000400

Table 5.

Effect Sizes by Grade

BOY-MOY MOY-EOY BOY-EOY
g SE g SE g SE
Grade 1 Reading .65 .02 .72 .02 1.37 .03
Grade 1 Math 1.13 .03 .83 .02 1.93 .04
Grade 2 Reading .64 .01 .50 .01 1.14 .01
Grade 2 Math .83 .01 .70 .01 1.54 .02
Grade 3 Reading .43 .01 .36 .01 .78 .01
Grade 3 Math .79 .01 .59 .01 1.36 .02
Grade 4 Reading .42 .01 .28 .01 .69 .01
Grade 4 Math .64 .01 .51 .01 1.14 .02
Grade 5 Reading .28 .01 .23 .01 .50 .02
Grade 5 Math .44 .02 .27 .02 .73 .02