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. Author manuscript; available in PMC: 2021 Jul 1.
Published in final edited form as: Contemp Educ Psychol. 2020 Jul 15;62:101896. doi: 10.1016/j.cedpsych.2020.101896

Table 9.

Second grade regression models for fraction magnitude understanding.

Model 5 Model 6
Age in months 0.107 0.112
Nonverbal component 0.296*** 0.237**
Number Line PAE −0.381*** −0.358***
Fraction Comparison Accuracy 0.270*** 0.244***
TORR Jr. Analogy 0.145*

N 129 129
R-sq 0.546 0.56
adj. R-sq 0.531 0.542
ΔR2 0.014