Table 7

 Comparison of teacher assessment of mathematical ability versus BASII quantitative reasoning score (standardised mean = 50, standard deviation = 10)

Teacher ratingBASII quantitative reasoning scoreTotal
>6060–4039–30<30Not tested
Weighted kappa = 0.57; percentage agreement = 47.9%.
1152310241
2647150472
3032239266
40799025
Incomplete/no response314114436
Total24123592212240