Level of Measurement Flashcards

1
Q

What is Levels of measurement?

A

It tells us how the data was measured

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2
Q

What the three types of level of measurement?

A

1)Nominal
2)Ordinal
3)Interval

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3
Q

What is Nominal data?

A

•Results are in two or more behavioural categories
• Collected through closed questions or structured observation
•Shows no of times something occurs

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4
Q

What is Ordinal Data?

A

•Results are placed in rank order
•Difference between each rating is unknown
•Calculated using a rating scale

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5
Q

What is Interval Data?

A

•Uses precise mathematical measurements eg weight, distance, time
•Made up of Known scales + equal distances

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6
Q

What are the advantages of Nominal data?

A

•Quick to collect
•Increased external reliability

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7
Q

What are the disadvantages of nominal data?

A

•Unable to express degrees of response
•Can only use mode as a measure of spread

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8
Q

What are the advantages of ordinal data?

A

•Relative values
•More informative than nominal data

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9
Q

What are the disadvantage of ordinal data?

A

•Don’t how big gap is between values
•Unaware the measure of gap on a rating scale

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10
Q

What the advantages of interval data?

A

•Most precise form of data
•All of equal values
•Scientific measures
•Highly reliable

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11
Q

What are the disadvantages of Interval data?

A

N/A

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