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Biology
Scientific method
| Term | Definition |
|---|---|
| The scientific method | A process of investigation in which problems are identified and their possible explanations are tested by carrying out experiments |
| Observation | Taken and recorded properly provides the basis for all the facts relating to a problem |
| Hypothesis | An educated guess based on observations |
| Experimentation | Designed to test a hypothesis |
| Collection and interpretation of data | The information that arises during the course of an experiment is collected, recorded and analysed |
| Data | Consists of measurements, observations or information gathered from experiments |
| Theory | A hypothesis that has been supported by many different experiments |
| Principle/Law | Arises from a theory that has been shown to be valid when fully tested over a long period of time |
| Variable | A factor that may change in an experiment |
| Constant | A factor that does not change in an experiment |
| A Control | Is used to provide a standard against which the actual experiment is being measured |
| Replicate | A repeat of an experiment |
| Double Blind Testing | In a properly designed experiment neither the tester nor the person being tested should know who is receiving the real treatment and who's is receiving the Placebo |
| Limitations of the scientific method | -The extent of our knowledge -The basis of information -Interpreting results -Changes in the natural world -Accidental discoveries |