Quantitative research

Quantitative research - Wikipedia Category:Quantitative research - Wikipedia

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Choosing a proxy variable and admitting what it leaves out Measurement error drags correlations toward zero and hardly anyone corrects for it Splitting a continuous measure into high and low groups throws away the information A composite score hides the two items that were doing all the work Minimum detectable effect: what the study can find versus what you hoped it would find Operationalising trust in institutions when every respondent means something different by it Translating a validated scale into another language and calling that validation Ceiling effects: when half the sample scores the maximum and the scale stops discriminating Turning a vague idea like burnout into something you can actually measure Cronbach's alpha above 0.9 can mean the items are redundant rather than reliable A scale validated on undergraduates gets reused on a national sample without revalidation The effect size in your power calculation came from a study of nineteen people Secondary data collected for someone else's question and what that costs your measurement

Qualitative research Scientific method Tests Geodesy Experiments Investigative journalism Data analysis Research methods History of measurement Academic conferences