7 notes
Method notes
Short, direct answers to the method questions researchers ask most. Each note opens with a two to three sentence answer, then gives the reasoning and the studies it rests on.
Notes · 7
- Exploratory or confirmatory? Which factor analysis, and whenShould I use exploratory or confirmatory factor analysis?exploratory factor analysis · confirmatory factor analysis · EFA
- Which fit index to report, and whenWhich fit indices should I report in structural equation modelling?fit indices · CFI · RMSEA
- Validity and reliability: what to report, and howHow are validity and reliability reported, and how do they differ?validity · reliability · Cronbach alpha
- Common method variance: preventing, testing, correctingWhat is common method variance and how is it controlled?common method variance · CMV · Harman single factor test
- How large a sample does factor analysis needWhat sample size is needed for factor analysis and SEM?sample size · factor analysis sample size · KMO
- Mediation analysis: from Baron–Kenny to bootstrappingHow is a mediation analysis run and reported?mediation analysis · Baron and Kenny · Sobel test
- Scale adaptation: translation is not enoughHow do you adapt a scale developed in another language?scale adaptation · back translation · measurement invariance