4.2.3.2 Data handling and analysis + maths component
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Quantitative and qualitative data |
The distinction between qualitative and quantitative data collection techniques. |
Find the definition to the following. Create a dictionary for this aspect |
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Primary and secondary data, including meta-analysis |
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Descriptive statistics: measures of central tendency |
calculation of mean, median and mode |
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measures of dispersion |
Range and standard deviation. calculation of range |
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calculation of percentages |
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positive, negative and zero correlations |
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Test on all aspects covered to this point. |
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2 |
Presentation and display of quantitative data: |
Graphs, tables, scattergrams, bar charts, histograms. |
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Distributions: normal and skewed distributions; characteristics of normal and skewed distributions. |
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Test which Graph? |
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Analysis and interpretation of correlation, including correlation coefficients |
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Test on the interpretation of correlation |
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Levels of measurement: nominal, ordinal and interval |
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Test define |
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Content analysis and coding. Thematic analysis |
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Do exercise on content analysis. |
4.2.3.3 Inferential testing RJS .
Students should demonstrate knowledge and understanding of inferential testing and be familiar with the use of inferential tests. Presentation
• Introduction to statistical testing; the sign test.
• Probability and significance: use of statistical tables and critical values in interpretation of significance; Type I and Type II errors.
• Factors affecting the choice of statistical test, including level of measurement and experimental design. When to use the following tests: Spearman’s rho, Pearson’s r, Wilcoxon, Mann-Whitney, related t-test, unrelated t-test and Chi-Squared test.
Lots of Past questions on Stats