If latent factor means are to be meaningfully compared, the measurement structures of the latent factor and their survey items should be stable, that is “invariant”.

SCIENTIFIC ARTICLES:

• Adolf, J., Schuurman, N. K., Borkenau, P., Borsboom, D., & Dolan, C. V. (2014). Measurement invariance within and between individuals: A distinct problem in testing the equivalence of intra-and inter-individual model structures. Frontiers in psychology, 5, 883. https://dx.doi.org/10.3389%2Ffpsyg.2014.00883
• Boom, J. (2015). A new visualization and conceptualization of categorical longitudinal development: measurement invariance and change. Frontiers in Psychology, 6, 289. https://doi.org/10.3389/fpsyg.2015.00289
• Van De Schoot, R., Schmidt, P., De Beuckelaer, A., Lek, K., & Zondervan-Zwijnenburg, M. (2015). Measurement invariance. Frontiers in psychology, 6, 1064. https://dx.doi.org/10.3389%2Ffpsyg.2015.01064

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COMMENT:

In order to measure the evolution of gender-based violence in universities, it is necessary to overcome now the resistance to repeating the survey carried out between 2006-2008.

“If latent factor means are to be meaningfully compared, the measurement structures of the latent factor and their survey items should be stable, that is “invariant.” (Van De Schoot et al., 2015)

“Measuring and modeling such strategy development requires that at each time point the same categories are used, in the sense that item difficulties must remain invariant over time”.  (Boom, 2015)

“We demonstrate how measurement invariance between and within subjects can be tested in the context of high-frequency repeated measures in personality research.” (Adolf et al., 2014)

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