getNormScoreSE function

Calculates the standard error (SE) or root mean square error (RMSE) of the norm scores In case of large datasets, both results should be almost identical

getNormScoreSE(model, type = 2)

Arguments

• model: a cnorm object
• type: either '1' for the standard error senso Oosterhuis et al. (2016) or '2' for the RMSE (default)

Returns

The standard error (SE) of the norm scores sensu Oosterhuis et al. (2016) or the RMSE

References

Oosterhuis, H. E. M., van der Ark, L. A., & Sijtsma, K. (2016). Sample Size Requirements for Traditional and Regression-Based Norms. Assessment, 23(2), 191–202. https://doi.org/10.1177/1073191115580638