level: Level 1
Questions and Answers List
level questions: Level 1
| Question | Answer |
|---|---|
| The variable being changed to assess its impact. | Independent variable |
| The variable being measured to assess the impact of the independent variable. | Dependent variable |
| Variable kept constant to ensure accuracy. | Controlled variables |
| Not exposed to the independent variable. | Control group |
| A control expected to yield results as it has a known outcome | Positive control |
| A control expected to not yield results and remain not experience any change during the experiment. | Negative control |
| Errors due to an individual's carlessness and/or ignorance. | Personal errors |
| Errors due to incorrect calibration of measuring instruments or mislabelling. | Systematic errors |
| A variable that is not being studied but has an effect on the dependent variable, and is not kept constant. | Extraneous variable |
| Getting very similar results when repeating an experiment. | Precision |
| Getting results close to the true value. | Accuracy |