Which one of the following is a two-tailed hypothesis?
- There will be a significant correlation between average GCSE scores and performance on a memory test.
- There will be a significant positive correlation between average GCSE scores and performance on a memory test
- There will there will be no significant correlation between average GCSE scores and performance on a memory test.
Which one of the following is a negative correlation?
- 0
- 0.5
- No correlation between two variables
- High values of one variable are associated with low values of the other
- High values of one variable are associated with high values of the other
Which one of the following is a one-tailed hypothesis?
- There will be a significant correlation between average GCSE scores and performance on a memory test.
- There will be a significant negative correlation between average GCSE scores and performance on a memory test
- There will there will be no significant correlation between average GCSE scores and performance on a memory test.
Which one of the following is a null hypothesis?
- There will be a significant correlation between average GCSE scores and performance on a memory test.
- There will be a significant positive correlation between average GCSE scores and performance on a memory test
- There will there will be no significant correlation between average GCSE scores and performance on a memory test.
- There will there will be no significant positive correlation between average GCSE scores and performance on a memory test.
What do we mean by operationalising variables for correlational analysis
- Stating a clear way that the two variables (co-variables) are going to be measured.
- Predicting a direction
- Drawing a scattergram
- Calculating a coefficient
Which one of the following coefficients is a moderate positive correlation
- 0
- 1.0
- -0.5
- 0.5
Which one of the following coefficients is a weak negative correlation
- 0
- -0.3
- -0.5
- -0.8
Which one of the following coefficients is a strong negative correlation
- 0
- 0.8
- -0.5
- -0.8
What are correlations good for?
- Demonstrating a cause and effect relationship between variables
- Analysing qualitative data
- Nothing
- Researchers may use correlational analysis as a starting point in their research
Which one of the following is a positive correlation
- No correlation between two variables
- 0
- -0.5
- High values of one variable are associated with low values of the other
- High values of one variable are associated with high values of the other