What mistakes do students make with The distinction between primary and secondary data, and…?

Confusing primary and secondary data based on when it was collected. The distinction is based on who collected the data and for what purpose, not simply its age. Assuming that all questionnaires only produce quantitative data. Questionnaires can produce qualitative data if they include open-ended questions that allow respondents to write detailed answers. Believing that secondary data is always quantitative. Secondary data can be qualitative, such as historical documents, personal diaries, or media broadcasts.

AQA · A-Level · Sociology

Course version: 7192 · Version from Sept 2015

Core themes - 4.1.3 Theory and Methods: the distinction between primary…

Full specification wording

Subject Content – A-level: Core themes - 4.1.3 Theory and Methods: the distinction between primary and secondary data, and between quantitative and qualitative data

Sociological research uses data categorised by source and form.

Checked against the AQA 7192 specification (opens in a new tab) on 10 November 2026.

Point 3 of 9
4 key terms

Study notes

From the checked teaching notes for this specification point.

The idea

What earns the marks

Identify primary data as information collected firsthand by the sociologist for their own research purposes.
Identify secondary data as existing information that was collected by someone else for their own purposes.
Define quantitative data as numerical information that can be measured, counted, and analysed statistically.
Define qualitative data as non-numerical information that provides detailed descriptions of meanings, feelings, and motives.
Recognise that a single research method can sometimes produce both quantitative and qualitative data, such as a questionnaire with both closed and open questions.

Common mistakes and how to put them right

Confusing primary and secondary data based on when it was collected.
Put it right: The distinction is based on who collected the data and for what purpose, not simply its age.
Assuming that all questionnaires only produce quantitative data.
Put it right: Questionnaires can produce qualitative data if they include open-ended questions that allow respondents to write detailed answers.
Believing that secondary data is always quantitative.
Put it right: Secondary data can be qualitative, such as historical documents, personal diaries, or media broadcasts.

Exam tips

When evaluating a research method, explicitly state whether it typically produces primary or secondary, and quantitative or qualitative data.
Link the type of data to theoretical perspectives; remember that positivists generally prefer quantitative data, while interpretivists prefer qualitative data.
Use concrete examples of data types when discussing methods, such as citing official statistics as secondary quantitative data.

Try the lesson

The start of the Subject Content – A-level: Core themes - 4.1.3 Theory and Methods: the distinction between primary and secondary data, and between quantitative and qualitative data lesson, made from checked teaching notes for this specification point.

Have a go first

A sociologist conducts a series of unstructured interviews to explore the lived experiences of homeless individuals. How should the data collected in this study be classified?

Tip: press 1 to 4 to choose

Listen

Sociological research uses data categorised by source and form. Primary data is collected firsthand by the researcher for a specific study, such as conducting interviews. Secondary data already exists and was collected by others, like government statistics or diaries. Data is also distinguished by its form. Quantitative data is numerical and can be counted, allowing for statistical analysis of trends, such as exam pass rates. Qualitative data is non-numerical, providing rich descriptions of meanings and experiences, like transcripts exploring students' attitudes. Understanding these distinctions is crucial for evaluating the validity, reliability, and theoretical preferences of sociological research methods. A strong answer earns marks for these points. Identify primary data as information collected firsthand by the sociologist for their own research purposes. Identify secondary data as existing information that was collected by someone else for their own purposes. Define quantitative data as numerical information that can be measured, counted, and analysed statistically. Define qualitative data as non-numerical information that provides detailed descriptions of meanings, feelings, and motives. A common slip: Confusing primary and secondary data based on when it was collected. Instead, The distinction is based on who collected the data and for what purpose, not simply its age. Exam tip: When evaluating a research method, explicitly state whether it typically produces primary or secondary, and quantitative or qualitative data.

See it

A flowchart starting from a single node labelled Sociological data, which splits into two branches. The first branch is labelled By source and leads to two nodes: Primary data, described as collected firsthand by the researcher, and Secondary data, described as already existing and collected by others. The second branch is labelled By form and leads to two nodes: Quantitative data, described as numerical and able to be counted, and Qualitative data, described as non-numerical and providing rich descriptions. — It shows how sociological data is classified by source (primary and secondary) and by form (quantitative and qualitative).

Key words

Say what each word means before you turn the card.

Primary data

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Secondary data

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Quantitative data

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Qualitative data

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See every definition

Primary data: Information collected firsthand by the sociologist for their own research purposes.
Secondary data: Existing information that was collected by someone else for their own purposes.
Quantitative data: Numerical information that can be measured, counted, and analysed statistically.
Qualitative data: Non-numerical information that provides detailed descriptions of meanings, feelings, and motives.

Label the diagram

Some boxes have lost their names. Pick the right name for each number.

The diagram again, with 3 boxes numbered instead of named. A flowchart starting from a single node labelled Sociological data, which splits into two branches. The first branch is labelled By source and leads to two nodes: Primary data, described as collected firsthand by the researcher, and Secondary data, described as already existing and collected by others. The second branch is labelled By form and leads to two nodes: Quantitative data, described as numerical and able to be counted, and Qualitative data, described as non-numerical and providing rich descriptions.

1Box 1
2Box 2
3Box 3

0 of 3 labelled

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