1. Arvidsson, R. (2019). On the use of ordinal scoring scales in social life cycle assessment. The Int. Jr. of Life Cycle Assessment, 24, 604–606. https://doi.org/10.1007/s11367-018-1557-2.
2. Bernstein, I. H., & Teng, H. (1989). Factoring items and factoring scales are different: Spurious evidence for multidimensionality due to item categorization. Psychological Bulletin, 76, 186–204.
3. Boote, A. S. (1981). Reliability testing of psychographic scales: five-point or seven-point? Anchored or labeled? Journal of Advertising Research, 21, 53–60.
4. Brown, G., Wilding II, R. E., & Coulter, R. L. (1991). Customer evaluation of retail salespeople using the SOCO scale: A replication extension and application. Journal of the Academy of Marketing Science, 9, 347–351.
5. Chakrabartty, S. N. (2020). Discriminating value of Item and Test. International Journal of Applied Mathematics and Statistics, 59(3), 61–78.