Math Anxiety Questionnaire: Similar Latent Structure in Brazilian and German School Children

Table 3

Regression models for arithmetic abilities.

Task	Adjusted r ^2§	Sample size	Significant predictors in the model
Simple addition	34.7	164	Sex, grade, raven, Corsi backwards, digit-span forward
Complex addition	38.4	164	Grade, Corsi backward, digit-span forward, Corsi backward
Simple subtraction	26.1	164	Sex, grade, Corsi backward, Corsi forward
Complex subtraction	29.9	164	Grade, Corsi backward, digit-span backward, MAQ-scale A
Simple multiplication	53.5	164	Grade, Corsi backward, digit-span forward, MAQ-scale A, MAQ-scale D
Complex multiplication	42.9	164	Corsi forward, digit-span forward, digit-span backward, MAQ-scale A

^§expressed as the proportion of variance in the dependent variable explained by the model.