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The Effect Of Visual Properties On Numerical Judgments In Ans Tasks

Table 1:

# Mean SD Minimum Maximum
Dependent variables
Mean accuracy in 1st grade 0.60 0.09 0.43 0.79
Mean accuracy in 4th grade 0.68 0.09 0.45 0.84
Mean RT in 1st grade 1.61 0.60 0.54 3.18
Mean RT in 4th grade 1.11 0.31 0.39 2.21
Independent variables
Size of sets 28.4 6.29 12 39
Numerical proportion 0.43 0.43 0.15 2.33
Surface areas proportion 0.42 0.40 0.002 2.32
Convex areas proportion 0.51 0.93 0.01 9.21
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