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Sociology
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Demography and Population Composition
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Sociology
SOC.290 Demography and Population Composition
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An occupation classification adds new technology categories between 2010 and 2020. What is required for a valid trend comparison?
A
A crosswalk that maps both years into comparable categories, plus documentation of remaining differences.
B
Assign each technology job to manufacturing in both years.
C
Discard the earlier year necessarily.
D
Compare the original percentages without checking definitions.
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