Edexcel A-Level Geography

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1 Tectonic processes and hazards

2A Glaciated landscapes and change

2B Coastal landscapes and change

3 Globalisation

4A Regenerating places

4B Diverse places

5 The water cycle and water insecurity

6 The carbon cycle and energy security

7 Superpowers

8A Health, human rights and intervention

8B Migration, identity and sovereignty

Geographical skills

Quantitative evidence

Appendix 1 2(c), 2(d)(i) - Graphs, scales and distributionsLearn to choose and construct geographical graphs, interpret their scales and compare distributions without losing the detail or uncertainty in the underlying observations.
Appendix 1 2(d)(i), 2(d)(iii) - Rates, sampling and descriptive statisticsLearn to calculate comparable rates, design samples and summarise measurements, then judge what those results can support about a geographical population or process.
Appendix 1 2(d)(i) - Lorenz curves and the Gini coefficientLearn to represent a distribution, calculate its inequality and make a fair geographical comparison. Lorenz curves and the Gini coefficient describe how a total is shared; interpreting them also requires knowing who was counted and what was measured.
Appendix 1 2(d)(ii) - Correlation and Spearman's rankLearn to investigate whether two geographical variables change together, calculate Spearman's rank correlation and interpret its significance. A correlation describes association; explaining a process requires further evidence.
Appendix 1 2(d)(ii) - Student's t-test and group differencesLearn to compare two means using a suitable t-test, including sample variation, independent groups and paired observations. Interpret the statistic alongside the size of the difference and the geographical quality of the sampling.
Appendix 1 2(d)(ii) - Chi-squared and categorical associationLearn to compare observed category counts with a justified expected distribution and to test association between categorical variables. Calculate chi-squared, use the correct degrees of freedom and distinguish evidence of a pattern from proof of its cause.

Independent investigation (formative)