Aims and hypothesis
- Created by: jessicawarren
- Created on: 21-04-16 12:26
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- Aims and Hypotheses
- Aim
- A statement of what you are intending to investigate
- Hypotheses
- Definition: A statement of what you beleive to be true
- Directional/one tailed: Predict that there will be a difference between two conditions, and you say the direction the difference will go in e.g participants will gain higher exam results after revising to classical music rather than death metal
- Non directional/two tailed: You predict there will be a difference between the participants, but you're not sure in which direction e.g there will be a difference between exam results for students who revise to classical music and death metal
- Operationalized variable: one that is made measurable/testable. Make variable specific
- Null hypothesis
- Sometimes there is need to state a null hypothesis- to say nothing will be found
- Example: no difference in concentration levels of participants in loud/soft noise conditions
- You either have an experimental, alternative or null hypothesis
- Aim
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