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mc 3018 measurement

# mc 3018 measurement - LEVELSOFMEASUREMENT :Moodle...

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LEVELS OF MEASUREMENT MC3018 Foundations of Media Research: Moodle

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DEFINING MEASUREMENT Measurement is . . . The assignment of numerals to represent properties or characteristics of objects or events In short it is the substitution of numbers for something but this “something” is often abstract and invisible So, we must design a system of numbers – called a metric or scale – to reflect the properties So, we must design a system of numbers – called a metric or scale – to reflect the properties 2 MC3018 Foundations of Media Research
PROPERTIES OF NUMBERS MC3018 Foundations of Media Research 3 1. Numbers are “ordered” Ex.: 1<2<3<4; 8>7>6>5 . . . 2. The difference/distances between numbers are equal 3. Numbers have a unique (zero) origin Isomorphism : A direct (I to I) correspondence between the variable and the scale

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PROPERTIES OF NUMBERS MC3018 Foundations of Media Research 4 Ideally, scales should reflect all the properties of numbers but sometimes this is not possible.
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mc 3018 measurement - LEVELSOFMEASUREMENT :Moodle...

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