. 2014 Feb 3;5:36. doi: 10.3389/fpsyg.2014.00036

Table 3A.

Summary statistics and intercorrelations for Chicago public school students (Study 3).

Measures	Correlations^a
	1	2	3	4	5	6	7	8
1. Grit	–
2. Standardized achievement tests	0.15^***	–
3. Academic conscientiousness	0.49^***	0.06^***	–
4. School motivation	0.49^***	0.12^***	0.50^***	–
5. Perceived school safety	0.15^***	0.28^***	0.13^***	0.16^***	–
6. Perceived teacher support	0.38^***	0.12^***	0.51^***	0.55^***	0.26^***	–
7. Perceived parental support	0.34^***	0.07^***	0.29^***	0.30^***	0.10^***	0.27^***	–
8. Perceived peer support	0.42^***	0.13^***	0.48^***	0.53^***	0.19^***	0.53^***	0.27^***	–
9. Female	0.14^***	−0.01	0.13^***	0.14^***	−0.08^***	0.09^***	0.06^***	0.15^***
10. Hispanic	−0.08^***	0.04^*	−0.09^***	−0.03^*	0.02	0.00	−0.05^**	−0.07^***
11. Black	0.07^***	−0.20^***	0.06^***	0.03	−0.11^***	−0.03	0.06^***	0.06^***
12. White	0.00	0.15^***	0.02	−0.01	0.10^***	0.00	0.02	−0.03
13. Asian	0.02	0.20^***	0.05^**	0.03^*	0.09^***	0.06^***	−0.05^**	0.04^**
14. Other	0.03^*	0.01	0.01	0.01	0.02	0.00	−0.00	0.01
15. Free lunch	−0.01	−0.18^***	−0.02	−0.01	−0.07^***	−0.03^*	−0.03	−0.03
16. Reduced price lunch	0.00	0.09^***	0.02	0.01	0.03^*	0.01	0.01	0.01
17. Full price lunch	−0.00	0.15^***	0.01	−0.01	0.07^***	0.03^*	0.02	0.02
Observed range	1.00–5.00	120.50–198.50	1.00–4.00	1.00–4.00	1.00–4.00	1.00–4.00	1.00–4.00	1.00–4.00
M	3.89	149.46	2.80	3.11	2.77	2.81	2.99	2.83
SD	0.89	12.45	0.56	0.64	0.58	0.55	0.89	0.61

N = 4813.

p < 0.05;

^**

p < 0.01;

^***

p < 0.001.

Full correlations among demographics are truncated to conserve space.