How are geographical skills assessed in OCR Geography?

Geographical skills are embedded across all three written components and assessed most heavily as AO3 in Papers 01 and 02 (Physical systems and Human interactions), through data-response and resource questions. They include cartographic, graphical, statistical and qualitative skills. The Independent Investigation (the non-examined assessment) is the major test of fieldwork and skills, worth 60 marks and 20 percent of the A-Level.

What statistical techniques do I need for OCR Geography?

You need measures of central tendency (mean, median, mode) and dispersion (range, interquartile range, standard deviation), percentage change, Spearman's rank correlation, and significance testing against critical values. You must be able to calculate them, apply them to geographical data, and interpret them critically, remembering that correlation does not prove causation and that significance depends on sample size.

What is the Independent Investigation in OCR Geography?

The Independent Investigation is the non-examined assessment: a student-devised, fieldwork-based enquiry of around 3000 to 4000 words using primary and secondary data, structured through the enquiry process and worth 60 marks and 20 percent of the A-Level. It is marked by the school and moderated by OCR, and chiefly assesses AO3 (skills) with some AO1 and AO2.

How much fieldwork is required, and what sampling strategies should I know?

Students complete a minimum of four days of fieldwork across the two years, covering both physical and human geography, which underpins the Independent Investigation. You should know random, systematic and stratified sampling, be able to justify which suits a given investigation, and understand the trade-offs (bias, coverage, practicality) of each.

How should I revise OCR geographical skills?

Practise the statistical calculations (especially Spearman's rank and the interquartile range) until they are automatic, drill interpreting maps and graphs from past-paper resources, and learn to justify method, sampling and presentation choices rather than just defining them. For the Investigation, focus on a tightly scoped question, a justified methodology and a critical evaluation, which is where the marks concentrate.

EnglandGeography

OCR A-Level Geography Skills and Fieldwork: a complete overview of cartographic, statistical and enquiry skills

A deep-dive OCR A-Level Geography guide to the geographical skills and fieldwork embedded across H481. Covers cartographic and graphical skills, statistical analysis (with Spearman's rank and significance), the fieldwork enquiry process and sampling, and the Independent Investigation coursework.

Generated by Claude Opus 4.818 min readH481Updated 2026-06-02

Reviewed by: AI editorial process; not yet individually human-reviewed

Jump to a section

What geographical skills and fieldwork demand
Cartographic and graphical skills
Statistical skills and data analysis
Fieldwork and geographical enquiry
The Independent Investigation
How skills are examined
Check your knowledge

What geographical skills and fieldwork demand

Geographical skills are embedded across the whole of H481, not taught as a separate block. They are assessed most heavily as AO3 in the data-response and resource questions of Papers 01 and 02, and they are the foundation of the Independent Investigation coursework. OCR tests whether you can select, construct, interpret and critically evaluate cartographic, graphical, statistical and fieldwork techniques applied to real geographical data.

This guide walks through the four skills areas, then the exam and coursework patterns OCR repeats. Each area has a matching dot-point page with worked exam questions; this overview ties them together.

Cartographic and graphical skills

Cartographic and graphical skills covers OS maps and GIS, the thematic maps (choropleth, isoline, proportional-symbol, flow-line), and the graphs (line, bar, scatter, logarithmic, population pyramids). The core skill is matching the technique to the data and interpreting patterns precisely, while recognising each method's limitations.

Statistical skills and data analysis

Statistical skills and data analysis covers central tendency (mean, median, mode), dispersion (range, interquartile range, standard deviation), percentage change, Spearman's rank correlation and significance testing. You must calculate, apply and interpret these, and remember that correlation is not causation and that significance depends on sample size.

Fieldwork and geographical enquiry

Fieldwork and geographical enquiry covers the stages of enquiry, primary and secondary data, physical and human methods, sampling strategies (random, systematic, stratified) and their justification, and the evaluation of reliability, accuracy and bias. Justified choices, not defaults, earn the marks.

The Independent Investigation

The Independent Investigation is the non-examined assessment: an independent, fieldwork-based enquiry of around 3000 to 4000 words using primary and secondary data, worth 60 marks and 20 percent. It is structured through the enquiry process and rewards a focused question, sound method and critical evaluation.

How skills are examined

A typical OCR profile for skills in Papers 01 and 02 (AO3):

Resource interpretation. Reading and describing maps, graphs, photographs and data tables (often Using Fig. X).
Calculation. Computing and interpreting statistics (median, IQR, percentage change, Spearman's rank).
Technique evaluation. Judging the suitability of a presentation method or sampling strategy for given data.
Critical interpretation. Drawing and qualifying conclusions, with the causation and reliability caveats.

In the Independent Investigation, the marks concentrate on a focused question, justified methodology and sampling, rigorous analysis, an evidenced conclusion and a critical evaluation.

Check your knowledge

A mix of recall and application questions covering geographical skills and fieldwork. Attempt them, then check against the solutions.

State the most suitable map type for showing trade flows. (1 mark)
Give one advantage and one limitation of a choropleth map. (2 marks)
State the formula for percentage change. (2 marks)
State the formula for Spearman's rank correlation. (2 marks)
What does a Spearman's rank coefficient of +0.8 indicate? (1 mark)
Distinguish between random and stratified sampling. (2 marks)
Define reliability and bias in fieldwork data. (2 marks)
State the word count and weighting of the Independent Investigation. (2 marks)

Solutions

Q1: A flow-line map (arrow width showing the volume of movement between places).
Q2: Advantage: clearly shows spatial patterns in rates or densities; limitation: implies uniform values within each area and is sensitive to the class boundaries chosen.
Q3: $\frac{\text{new value} - \text{original value}}{\text{original value}} \times 100$ .
Q4: $r_s = 1 - \frac{6 \sum d^2}{n^3 - n}$ , where $d$ is the rank difference and $n$ the number of pairs.
Q5: A strong positive correlation between the two ranked variables (they rise together).
Q6: Random sampling gives every member an equal chance (unbiased but may miss small groups); stratified sampling divides the population into subgroups and samples each in proportion, ensuring all are represented.
Q7: Reliability is whether repeating the method gives consistent results; bias is systematic error or skew in the data or method.
Q8: Around 3000 to 4000 words, worth 60 marks and 20 percent of the A-Level.

Sources & how we know this

OCR A-Level Geography (H481) specification — OCR (2016)