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Table 1 Descriptive statistics for observed variables for full sample

From: Standards-based mathematics curricula and the promotion of quantitative literacy in elementary school

  N M SD
Cognition
 Problem 2459 5.66 3.76
 Concept 2459 32.83 8.48
 Skills 2459 13.28 2.78
Disposition
 Interest 2211 3.92 1.01
 Self-concept 2211 3.82 0.85
 Utility 2211 4.05 0.67
Beliefs
 B1 2173 3.27 1.25
 B2 2198 1.83 1.14
 B3 2186 2.68 1.20
 B4 2190 2.64 1.17
 B5 2189 3.70 1.13
 B6 2193 2.69 1.11
Background
 Gender 2490 0.49 0.50
 White 2490 0.80 0.40
 Black 2490 0.13 0.33
 Other 2490 0.07 0.26
 Free/reduced lunch 2485 0.18 0.39
 Reading 2297 645.37 43.26