is the range of attribute variation within the group.

Intragroup volatility (by R. Keitel). British psychologist Raymond Bernard Cattell studied the synthesis of various religious, educational and professional groups, It is a set of features that make up the synthesis of entire nations. The size of the territory of the state, morale, prosperity and degree of industrialization are the main features that determine the specificity of countries. According to the scientist, The structure of personality is determined by 16 main traits.