Statistical Problem Descriptives
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a. If ratio-level data is more restrictive (e.g., order, distance, and origin), should your research focus on nominal variables? Why?
b. If we assume ordinal-level scales are interval, does this create errors?
c. If I assessed a respondent's attitude, for example, to food taste would I have identical measures on six consecutive days?
d. If I measure a psychological variable longitudinally and receive identical measures, is it reliable?
e. If zero indicates the absence of something, do you have a ratio or interval scale (assuming order and distance)?
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Solution Summary
The Solution provides short answers to the questions about reliability, ratio vs interval scales and errors in reporting.
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a. If ratio-level data is more restrictive (e.g., order, distance, and origin), should your research focus on nominal variables? Why?
If ratio-level data is more restrictive my research would focus on nominal variables. Actually, on ordinal nominal variables. I will divide the data in 5-8 equal ordered intervals and I will assign every answer in one of these intervals.
b. If we assume ordinal-level scales are interval, does this create errors?
If we have ordinal-scale intervals, we have to use ...
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- BSc, University of Bucharest
- MSc, Ovidius
- MSc, Stony Brook
- PhD (IP), Stony Brook
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