2. I think that it is not a unique measure, the measures of reliability, feasibility, validity, accuracy and efficiency are good measures of the research.
Please refer to,
Statistical characteristics of performance indicators. Int. J. of Quality and Innovation, 2014, Vol.2, No.3-4, pp. 385-309.
I've been taught about the high relevance of personality measures, when tapping into well being on individuals vis-a-vis stress and trauma. I have always factored it (personality) in in analyzing any growth from such experiences. Just wanted to see what experiences others have had. Thank you for the reference. M
I think Mini IPIP could be a good choice. 20 items. Not too long, not too short.
Donnellan, M. B., Oswald, F. L., Baird, B. M., & Lucas, R. E. (2006). The mini-IPIP scales: tiny-yet-effective measures of the Big Five factors of personality. Psychological assessment, 18(2), 192–203