Источники

Barrett, P. 2005. “What If There Were No Psychometrics?: Constructs, Complexity, and Measurement.” Journal of Personality Assessment 85 (2): 134–40.
Messick, S. 1993. “Foundations of Validity: Meaning and Consequences in Psychological Assessment.” Ets Research Report Series 1993 (2): i–18.
Зегет, В. 1985. Элементарная Логика. Москва: Высшая школа.