» Sample Size Calculator

Sample Size Calculator (web)

Structural Equation Modeling - Root Mean Squared Error of Aproximation (RMSEA)

Expected RMSEA:
Degrees of freedom (df, may calculate here):
Significance level (α): Two-tailed
Power (1 - β): %
Expected dropout rate: %

Sample size, n =
Sample size (with 10% dropout), n_drop =

References:

Kim, K. H. (2005). The relation among fit indexes, power, and sample size in structural equation modeling. Structural Equation Modeling, 12(3), 368-390. [Sample size formula, Non-centrality parameter calculation]

Suggested reference:

APA: Arifin, W. N. (). Sample size calculator (web). Retrieved from http://wnarifin.github.io

Vancouver: Arifin WN. Sample size calculator (web) [Internet]. [cited ]. Available from: http://wnarifin.github.io

Sample Size Calculator by Wan Nor Arifin is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

© Wan Nor Arifin 2017-