A free AP Biology lab report rubric covering hypothesis, experimental design, data analysis, error analysis, and conclusions aligned to AP science practices.
| Criterion | Points |
|---|---|
Hypothesis and background Testable hypothesis with justification from biological principles; relevant background research cited. | 4 |
Experimental design Identifies independent, dependent, and controlled variables; adequate sample size and replication. | 5 |
Data collection and presentation Organized tables/graphs with correct units, labels, and uncertainty where appropriate. | 4 |
Analysis and statistics Correct calculations, appropriate statistical test (e.g. chi-square, t-test), and interpretation. | 4 |
Error analysis Identifies plausible sources of error and their directional effect on results. | 2 |
Conclusion Accepts/rejects hypothesis with evidence; connects findings to biological concepts. | 3 |
| Total | 22 |