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7927404
Data sources and measurement scales
Description
Mind map
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stats
statistics
Mind Map by
Rory Rieseberg
, updated more than 1 year ago
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Created by
Rory Rieseberg
over 7 years ago
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Resource summary
Data sources and measurement scales
Sources
Primary
Collected by researchers
Annotations:
Eg interview, observation, action research, case studies, life histories, questionnaires, ethnographic research, longitudinal studies
Secondary
Data that already exists
Annotations:
Eg Previous research, Official statistics, Mass media products, Diaries, Letters, Government reports, Web information, Historical data and information
Measurement Scales
Nominal
Annotations:
Name - Eg Gender M or F
Ordinal
Annotations:
Order, measurements of non-numeric concepts - Eg satisfaction, happiness etc
Interval
Annotations:
Know differences between each value - Space between - Eg weight, temperature. No such thing as zero temperature
Ratio
Annotations:
Tells us order, exact value between units and has absolute zero - Eg height, weight.
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