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Mathematical Requirements for Research Methods

Converting qualitative data and primary and secondary data

  • 3 things to know
  • Component 01

Overview

Recall questions on calculating a mean from content analysis counts, what is lost when qualitative data is counted, how the same data can be primary or secondary, checking published statistics, and strengths and weaknesses of primary and secondary data.

What you need to know

Answer each one before you reveal it.

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Key term

What is lost when qualitative data is converted into frequency counts?

Key term

A content analysis of 20 transcripts finds the word stressed used 64 times in total. What is the mean number of uses per transcript?

Key term

Give two examples of secondary data used in psychology.

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    A content analysis of 20 transcripts finds the word stressed used 64 times in total. What is the mean number of uses per transcript?

    Model answer

    The mean is 3.2 uses per transcript.

  2. 2

    What is lost when qualitative data is converted into frequency counts?

    Model answer

    The context and meaning behind each statement, since a count records that something was said but not why or how.

  3. 3

    The same interview transcripts can be primary data for one researcher and secondary data for another. Explain how.

    Model answer

    They are primary for the team that collected them for their own investigation, and secondary for any later researcher who reuses them for a different purpose.

  4. 4

    What must a researcher check before relying on published statistics as secondary data?

    Model answer

    They must check how the figures were defined, collected and recorded, because data gathered for another purpose may not measure the variable the researcher intends and may contain gaps or bias.

  5. 5

    Give two examples of secondary data used in psychology.

    Model answer

    Government or hospital statistics, and the published results of earlier studies combined in a meta-analysis.

  6. 6

    State one strength and one weakness of primary data.

    Model answer

    It is collected in exactly the form the aim requires, but gathering it is time-consuming and expensive.

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