7 notes
Method notes
Short, direct answers to the method questions researchers ask most. Each note opens with an answer of two or three sentences, 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 modeling?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 and 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