Table 7.
Comparing embedded gameplay data scores from osmosis: Clark the Calf
| Embedded gameplay assessments and scoring ranges | Propositional statement alignment | Bloom’s taxonomy item level | Forced choice or constructed response | Percent correct | |
|---|---|---|---|---|---|
| Year 2 | Year 3 | ||||
| Predict what will happen to the red blood cells if they are placed in an isotonic solution.(0–2) | E3 | 3 | FC | 75% | 78% |
| What will happen to the pressure of the brain if the water moves into it from the blood? (0–2) | D3 | 4 | FC | 85% | 87% |
| Using the sodium data you collected and what you learned from the Seizure Manual, [answer the following question] why are the free water molecules diffusing out of the vessel?(0–3) | D2 | 5 | CR | 47% | 54% |
| Predict the effect of your hypertonic saline on: blood sodium concentration–decrease–no change–increase.(0–2) | D3 | 4 | FC | 66% | 70% |
| Predict the effect of your hypotonic saline on: brain matrix pressure–decrease–no change–increase. (0–2) | D3 | 3 | FC | 70% | 70% |
| Based on what you have learned, summarize the relationship between solute concentrations on opposite side of a semi-permeable membrane and the direction of movement of free water molecule. (0–5) | D1 | 4 | CR | 25% | 33% |
| Describe the initial lab findings. (0–3) | D1 and D3 | 3 | CR | 28% | 35% |
| Describe how osmosis was involved in causing Clark’s seizures. (0–8) | D1 and D3 | 4 | CR | 46% | 58% |