Udvælgelse og anvendelse af kontrolvariable
DOI:
https://doi.org/10.7146/politica.v58i4.171997Keywords:
kausal inferens, statistisk kontrol, regressionAbstract
Når vi forsøger at identificere den kausale effekt af X på Y med observationelt data, inkluderer vi ofte kontrolvariable. Der mangler dog tilstrækkelig vejledning i udvælgelse af variable. Det kan resultere i bias, både hvis relevante kontroller udelades, og hvis såkaldte ”dårlige kontroller” inkluderes. Denne artikel præsenterer en række retningslinjer for udvælgelse og anvendelse af kontrol med det formål at identificere kausale effekter.
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