Table 2 Examples of variables measuring the competence of ‘understanding and characterizing the problem (PUC)’
From: Developing a computer-based assessment of complex problem solving in Chemistry
Variable | Analysis of | Description | Coding |
|---|---|---|---|
PUC01-02 | Methanol and acetic acid | Analyzing an unknown substance by taking into account system outputs (spectra, molar mass) and additional information given by tables | 0, 1 each |
PUC03-06 | Ethanol, pentanol, formic acid, and butyric acid | Analyzing an unknown substance by taking into account system outputs (spectra, molar mass) and further information given by tables | 0, 1 each |
Different types of information have to be combined (tabular and graphical sources) | |||
PUC07 | Sulfuric acid | Analyzing an unknown substance with information that is explicitly given (molar mass) | 0, 1 |