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CS 235 - WEEK 4 - Survey Research, Sampling, and Levels of Measurement (Student Version)

# Magnitude fahrenheit scale categories are separate

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Unformatted text preview: ories are separate Fahrenheit and ordered and the points on the scale can be determined mathematically. be Doing the Survey (XI) – Ratio Scales Represented proportionally. Has a true zero, so they can provide Has information about the magnitude of an attitude. attitude. Height, weight, age. Height, Ratio Scale Example 1. 2. 3. 4. 5. 6. What is your weight? 45 KG 46 KG 47 KG 48 KG 49 KG 50 KG Doing the Survey (XII) – Ratio Scales Often are grouped and therefore are turned Often into ordinal variables. into What is your age? [1] Under 18, [2] 18-24, [3] 35-30 The level of measurement therefore depends The on how the question is asked and the level of detail required. of Doing the Survey (XII) Conclusion Concept: Needs and Desires Indicator: Income and Education Income indicates your needs and desires. Level of Measurement: Ordinal Categorical Level Variables Variables Doing the Survey (XIII) Income Conclusion 1. 2. 3. 4. 5. How much do you earn in a year? Under 25 000 25 000 – 35 000 36 000 – 45 000 46 000 – 55 000 56 000 - 65 000 56 Doing the Survey (XIV) Needs and Desires - Conclusion What is your level of education? 0. Lest than H.S. 1. Some H.S. 2. H.S. 3. College 4. Trade School 5. University (undergraduate) 6. University (Master’s) 7. University (Doctorate)...
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