GPower for Moderation Analysis
20 هزار بار بازدید -
3 سال پیش
-
Whether you want to test
Whether you want to test a moderation with a multiple hierarchical regression (e.g. in SPSS or R) or with Hayes' PROCESS macro (model 1), here you can learn how to calculate the sample size for finding a significant interaction.
0:00 Start
0:17 F-test or t-test for moderation?
1:10 G*Power F-test (R2 change)
2:10 Number of predictors
2:49 G*Power t-Test (interaction)
Source why you in general need large samples for moderation analysis with correlational data:
Judd, C. M., Yzerbyt, V. Y., & Muller, D. (2014). Mediation and moderation. In H.T. Reis & C. M. Judd (Eds.), Handbook of research methods in social and personality psychology (2nd ed., pp. 653-676). Cambridge University Press.
GPower:
https://www.psychologie.hhu.de/arbeit...
0:00 Start
0:17 F-test or t-test for moderation?
1:10 G*Power F-test (R2 change)
2:10 Number of predictors
2:49 G*Power t-Test (interaction)
Source why you in general need large samples for moderation analysis with correlational data:
Judd, C. M., Yzerbyt, V. Y., & Muller, D. (2014). Mediation and moderation. In H.T. Reis & C. M. Judd (Eds.), Handbook of research methods in social and personality psychology (2nd ed., pp. 653-676). Cambridge University Press.
GPower:
https://www.psychologie.hhu.de/arbeit...
3 سال پیش
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