Table 2 Test items with more than 0.5 logits DIF with regard to school track
Items with advantages for the academic track | Items with advantages for non-academic tracks | ||
|---|---|---|---|
(#) Description | DIF (logits) | (#) Description | DIF (logits) |
(12) Situation → equation (context burning candle; SC) | 0.514 | (5) Basic conceptual knowledge (Graph → parameters; open) | 0.536 |
(20) Situation → graph (context skier; SC) | 0.548 | (15) Equation → graph (SC) | 0.694 |
(7) Graph → situation (context running; open) | 0.570 | (2) Equation → graph (open) | 0.724 |
(9) Situation → equation (context taxi ride; SC) | 0.756 | (8) Equation → graph (slope as fraction; open) | 1.418 |
(17) Graph → situation (context racing car; open) | 0.79 | ||
(4) Situation → equation (context aquarium; open) | 1.920 | ||