4.3 Communality

communality is the proportion of variance for each observed variable that can be explained by the factors. Communalities between 0.25 and 4.0 are acceptable, with values above 0.6 considered ideal (Zeynivandnezhad, Rashed, and Kanooni 2019)


Zeynivandnezhad, Fereshteh, Fatemeh Rashed, and Arman Kanooni. 2019. “Exploratory Factor Analysis for TPACK Among Mathematics Teachers: Why, What and How.” Anatolian Journal of Education 4 (1): 59–76.