Correlations
- Created by: chabs
- Created on: 22-03-14 17:17
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- Correlations
- Types
- Positive: As the value of one variable increases, the other tends to increase too (not necessarily at the same rate)
- Negative: As the value of one variable increases, the other tends to decrease (not necessarily at the same rate)
- Zero: There is no relationship between the variables.
- + They can be used to where exp manipulation may be unethical. + They can suggest further avenues of study to find causation + Other variables can be predicted from one
- - They only examine the strength of a relationship (not cause and effect) - The relationship shown may be misleading / effected by extraneous variables
- One tailed hypothesis: There will be a significant + / - relationship...
- Two tailed: There will be a significant relationship...
- Co-variables are the variables being measure
- Types
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