Table 2 Multi-variate regression analysis for the explanation of item difficulty
From: Physical-technical prior competencies of engineering students
Variable | Category | β | p |
|---|---|---|---|
Requirement level | Reproduction | Ref | |
Establishing of connections | .44 | .05 | |
Generalization and reflection | .56 | <.05 | |
Type of knowledge | Declarative | Ref | |
Procedural | .40 | .05 | |
Sketch | No | Ref | |
Yes | .34 | .07 | |
Units | No | Ref | |
Yes | -.31 | .09 | |
Mathematics | No | Ref | |
Yes | .27 | .21 | |
Model | F (6;14) = 5.022 | <.01 | |