Table 3.
CLASS-Bio statement categorization and RIsa
| CLASS category | Statements | RI: Pearson | RI: Polychoric |
|---|---|---|---|
| Real World Connection | 2, 12, 14, 16, 17, 19, 25 | 6.74 | 8.26 |
| Enjoyment (Personal Interest) | 1, 2, 9, 12, 18, 27 | 10.0 | 10.0 |
| Problem-Solving: Reasoning | 8, 14, 16, 17, 24 | 6.57 | 7.38 |
| Problem-Solving: Synthesis & Application | 3, 5, 6, 10, 11, 21, 30 | 7.10 | 8.96 |
| Problem-Solving: Strategies | 7, 8, 20, 22 | 7.14 | 7.09 |
| Problem-Solving: Effort | 8, 12, 20, 22, 24, 27, 30 | 6.62 | 7.53 |
| Conceptual Connections/Memorization | 6, 8, 11, 15, 19, 23, 31, 32 | 5.61 | 7.19 |
| Uncategorized questions | 4, 13, 26, 29 | n/a | n/a |
a Statements in bold appear on CLASS-Phys and CLASS-Chem (in either the same or slightly modified forms), although not necessarily in the same categories. RIs, calculated with either the Pearson or polychoric correlation matrices, range from 0 to 10, with 10 being most robust.