survey design and measurement serena's notes

I eat 5 servings of vegetables a day agree 1 disagree

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Unformatted text preview: ero may be arbitrary Allows researchers to use more powerful stats! I eat 5 servings of vegetables a day Agree 1 Disagree 2 3 4 5 Ratio Scales • These are interval scales a meaningful zero point. This allows magnitudes to be compared arithmetically Units sold, number of purchases, probability of purchase Please allocate 100 points based on your preferences to the following foods: ___ you like something 50 mac and cheese, 25 fish, 20 carrots, 5 cupcakes. ratio scale: you can actually assign 0 to a category. Carrots ___ 0 now has a meaning. people can compare. 0 to 100 how much Cupcakes ___ Fish ___ Mac ‘n Cheese 100 Sum 9 Types of Scaling Techniques Scaling Techniques Noncomparative Scales Comparative Scales Paired Comparison Constant Sum Itemized Rating Scales Continuous Rating Scales Rank Order Likert Stapel Semantic Differential Comparative vs. Noncomparative Scales Comparative scales involve the direct comparison of stimulus objects. Comparative scale data must be interpreted in relative terms...
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This document was uploaded on 03/25/2014.

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