The flashcards below were created by user
Mikahbear
on FreezingBlue Flashcards.
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10 Steps?
- ObservationQuestion
- Hypothesis
- Prediction
- Test
- Results of test
- Further testing
- Theory
- Principle or law
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Hypothesis?
An educated guess put forward as a possible explanation
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Theory?
A hypothesis that stands up against all tests
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Principle/Law?
A theory that is successful against long term testing
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Features of an acceptable experiment?
- Well planned and designed
- Clearly stated purpose
- Full risk assessment carried out
- Safety during procedures
- Control must be designed
- Repeated to obtain accurate results
- Results should discredit or support hypothesis
- Results should be verified
- Free of bias-large sample size for accuracy
- Random selection
- double-blind testing-test group unknown to investigator and test subjects
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Limitations to scientific method?
- Interpretation of results limited to present knowledge
- Living organisms are rarely predictable
- Only one confirmed negative results can disprove a theory
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