Bernard, L. C.; Cieciuch, J.; Lac, A.; Žuro, B.; Krupić, D.; Richter, M.; Silvestrini, N. .; von Helversen, B. A Cross-Cultural Study of Purposive “traits of action”: Measurement Invariance of Scales Based on the action–trait Theory of Human Motivation Using Exploratory Structural Equation Modeling. SPTP 2021, 21, 5–29.