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An IERI – International Educational Research Institute Journal

Table 2 Classification of PISA and TIMSS grade 8 items using the T/NT dichotomy, in percentages of items

From: The dependence on mathematical theory in TIMSS, PISA and TIMSS Advanced test items and its relation to student achievement

 

PISA math 2012 (%)

TIMSS grade 8 math 2011 (%)

Classified as T [using theorem(s)] by at least 5 of 6 scorers

11.8

19.3

Opinions divided (4-2 or 3-3)

2.4

7.4

Classified as NT [not using theorem(s)] by at least 5 of 6 scorers

85.9

73.3