Fig. 2

Illustrations of tasks selected for the initial version of the technical aptitude test. The tasks are ordered as they are in the test. The illustrations for Task 1, Task 2, and Task 4 show only the right-handed versions (i.e., Task 1a, Task 2a, and Task 4a, respectively). Task 8 appeared only in the initial version of the test and was omitted from later versions. The tasks are described in detail in Table A1 in the Appendix. The time limits set for the tasks were: Marbles (right/left) – 110 s, Marbles and hold (right/left) – 130 s, Marbles and hold misorientation – 150 s, Cutting and scope (right/left) – 90 s, Cutting a circle – 260 s, Scope 30° – 140 s, Needle transfer – 150 s, Needle rotation – 230 s