12020251
Descrição
FlashCards por Mikaela Staples, atualizado more than 1 year ago
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Criado por Mikaela Staples
mais de 6 anos atrás
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| Questão | Responda |
| Chapter 1: science enquiry | Scientific method: |
| Quantitative Data | numbers- measurement |
| Qualitative Data | words- observation |
| Features of graphs | 1. Title 2. Lable x and y 3. Arrows at end of axes |
| Evidence | Data which is judged to be relevant. |
| Secondary evidence | Data collected by someone else. |
| Variables | Any factor that may change during an experiment. |
| Independent variable | X- Changed or controlled to test effects on dependent variable (y) |
| Dependent variable | y- Tested and measured |
| Controlled variables | Variables being kept the same for both the control and the experimental groups in an experiment. |
| Replication | Having a identical number of experiments running together or performing the experiment on a large number of subjects at the same time. |
| Validity vs. Reliability | Validity: - reliable and relevant - must be no uncontrolled variables Reliability: - same results each time - equipment constant - Improve: repetition and replication tests this |
| Errors and reducing them | Any deviation from teh result that should have been obtained. Reduce: repetition |
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