Statistics - Levels of measurements

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What is the definition of nominal data?
data that can be grouped into categories
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What is an advantage of nominal data?
easy/quick to collect and analyse and patterns can be identified
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What is the disadvantage of nominal data?
Lacks detail and information about each individiual pp. compared to interval and ratio data
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What is ordinal data?
data that can change but can be ranked in an acceding order eg; scales such as 1-10
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What is an advantage of ordinal data?
still easy to collect and understand but means you can meaningfully compare the scores against eachother
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What is a disadvantage of ordinal data?
still lacks detail as the distance between pp scores is not revealed as it would be in interval or ratio data
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What is interval data?
data that has fixed units of measurement, where no real/true zero exsists
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What is an advantage of interval data?
very detailed as pps cannot just be ranked but the distance between each pp is also known as comparison
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What is a disadvantage of interval data?
more consuming to collect than nominal or ordinal data as you need precise information about each pp, rather than just their rank order
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What is the definition of ratio data?
the same as interval data but it has a meaningful zero point
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What is an advantage of ratio data?
very detailed as pps cannot just be ranked but the distance between each pp is also known for comparison
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What is a disadvantage of ratio data?
more time consuming to collect than nominal or ordinal data as you need precise information about each pp, rather than just their rank order
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Card 2

Front

What is an advantage of nominal data?

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easy/quick to collect and analyse and patterns can be identified

Card 3

Front

What is the disadvantage of nominal data?

Back

Preview of the front of card 3

Card 4

Front

What is ordinal data?

Back

Preview of the front of card 4

Card 5

Front

What is an advantage of ordinal data?

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