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All 13 Flashcards — Measuring behaviour
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Question
What is operationalisation?
Answer
Defining a variable by the exact way it will be measured.
Question
Operationalise 'memory'.
Answer
e.g. the number of words correctly recalled in two minutes.
Question
Quantitative or qualitative data?
Answer
Quantitative: numbers to compare. Qualitative: words and meanings, for depth.
Question
What is self-report?
Answer
Asking people directly: questionnaires, rating scales, interviews.
Question
What is observation (as a measure)?
Answer
Watching and recording what people actually do.
Question
One weakness of self-report?
Answer
People may be dishonest or inaccurate about their own behaviour or feelings.
Question
One weakness of observation?
Answer
You see behaviour but not the thoughts or feelings behind it.
Question
Why use more than one measure?
Answer
If different measures agree, the finding is more trustworthy.
Question
Is a questionnaire score the same as stress?
Answer
No. It is a measure of stress, not stress itself.
Question
What is a construct?
Answer
An idea, such as stress or memory, that cannot be seen directly and has to be measured through something else.
Question
Direct or indirect measure?
Answer
Direct: the behaviour itself is recorded. Indirect: a sign of something hidden, such as heart rate for stress.
Question
Retrospective or prospective?
Answer
Retrospective: people look back and report. Prospective: things are recorded as they happen.
Question
Type I or type II error?
Answer
Type I: finding an effect that is not real, a false alarm. Type II: missing an effect that is real.
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Topic 1.4 hub
Measurement
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