Without psychometrically reliable and valid measures, I believe that psychological research is like a castle built on sand. This is why I am so enthusiastic about developing and validating psychological measures. Feel free to reach out if you are interested in collaborating to improve measurement practices!
Big Five Inventory-2 - Korean version
https://doi.org/10.1177/10731911251357466
Multidimensional Workaholism Scale - Korean version