Cheatography
https://cheatography.com
discusses how social research should be measured*
This is a draft cheat sheet. It is a work in progress and is not finished yet.
conceptialization
social research relates to the measurements of concepts -> concepts do not exist in reality but are rather mental images of social phenomena
conceptualization: specifying what we mean when we use a particular term, or concept, by describing the indicators we use to measure (observe) concepts
→ indicators:observation that we choose to consider as a reflection of a variable we wish to study |
specfication
the concept used during emiprical research is broad and general, but because more specific with every step that is taken during the research
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operationalization
operationalization: the development of specific research procedures (operations) that will result in empirical observations representing those concepts in the real world
→ it is an extension of conceptualisation that specified the exact procedures that will be used for measuring the attributesof variables
levels of measurements:
- nominal
- ordinal
- interval
- ratio |
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criteria of measurement quality
criteria of measurements:
preciseness
accuracy
reliability: quality of measurements methods that suggests that the same data would have been collected each time in repeated observation of the same phenomenon
→ quantitative performs better than qualitative research
validity: term describing a measure that accurately reflects the concept it is intended to measure
→ types:
- face validity: the quality of an indicator that makes it seem to be reasonable measure of some variable
- criterion-related/predictive validity: the degree to which a measure relates to some external criterion
- construct validity: the degree to which a measure relates to other variables as expected within a system of theoretical relationships
- content validity: refers to how much
a measure covers the range of meanings included within a concept
→ qualitative performs better than quantitative research |
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