Qualitative and Quantitative Measurement - Reliability and validity - Reliability and validity quantitative research
3 important questions on Qualitative and Quantitative Measurement - Reliability and validity - Reliability and validity quantitative research
What does reliablity mean in a quantitative study?
That the numerical measure does not vary because of characteristics of the measurement process or the measurement instrument itself.
Why can we never achieve absolute validity?
Constrocts are abstract ideas, whereas indicators refer to concrete observation.
What are the three types of measurement validity?
Face - in the judgement of others
Content - captures the entire meaning
Criterion - agrees with an external source
Content - captures the entire meaning
Criterion - agrees with an external source
- concurrent - agrees with a preexisting measure
- predictive - agrees with future behavior
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