| Research
Findings |
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| 3) Students tend to overstate precision |
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| (too
many significant figures) of calculated |
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| values
and to a lesser extent for directly |
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| measured
values. |
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| Typical
student values: |
| L |
|
|
| L = 2.35 cm (± 0.05 cm) |
|
| W = 1.85
cm (± 0.05 cm) |
|
| W |
|
|
| A = L*W = 4.3475 cm2 |
|
| (Expert: A =
4.3 ± 0.1 cm2 ) |
|
