Math Self-Assessment, but Not Negative Feelings, Predicts Mathematics Performance of Elementary School Children

Table 3

Regression coefficients for spelling performance (after stepwise regression).

Regression analysis for TDE spelling (𝑟^2 = .14)
Predictor	Unstandardized coefficient		Std. coefficient	Partial 𝑡	sig.	% change in explained variance
	𝐵	Std. error	Beta
Intercept	0.94	0.63		0.49	0.14
Age	0.001	0.01	0.02	0.11	0.92	0.00
Sex	0.09	0.08	0.07	0.11	0.27	0.50
School grade	0.03	0.08	0.05	0.33	0.74	0.00
Intelligence (Raven)	0.21	0.06	0.24	0.45	0.001	7.50
Attention deficit/hyperactivity scale*	−0.02	0.00	−0.21	3.15	<.001	4.30

*CBCL's subscales guided by the DSM-IV. TDE: Brazilian School Achievement Test; CBCL: children behavior checklist.