Research Methods: Misconceptions About Levels Of Measurement Flashcards

(5 cards)

1
Q

‘All numbers are intervals’

A

-not all numbers have equal gaps

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2
Q

‘Zero always means nothing’

A

-only some scales (not interval) have a true zero

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3
Q

‘Ordinal data can be used for all maths’

A

-you can only rank ordinal:data you cannot calculate mean or standard deviation accurately

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4
Q

‘Nominal data is unimportant’

A

-nominal data is still useful for counting, categorising, and comparing groups

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5
Q

‘Grades are interval’

A

-grades are usually ordinal because the difference between each grade isn’t exactly equal

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