2.3. Measures of geometry
2.3.1. Test on achievement in geometry
The MT advanced geometry task is a paper-and-pencil test that
includes the six multiple-choice questions from the MT advanced
battery (Cornoldi et al., 2010) concerning school-based geometry
education. This battery was developed on the basis of the PISA
tasks (OECD, 2007) and was designed for use in comparing individual
performance with typical school standards in Italy. Participants
were asked to solve a series of geometrical problems (see an example
in Fig. 1) and the mean percentage of the correct answers was
considered. All the students in the class took about 20 min to complete
the test.