The paper gives empirical evidences concerning the existence of cross-individual psychological structures that provide the opportunity of joint activity in institutionalized subject fields. Various conditions of inter-individual interactions in a strategic game of two partners were applied: either in direct interaction, or with a hidden partner (a person or computer program, which could replace each other in deceptive instructions). Cross-individual and individual constituents of psychological structure have been described quantitatively by means of special algorithms. Characteristics of a cross-individual psychological structure of two partners were more closely correlated with conditions of inter-individual interactions, the level of anthropomorphization of a hidden partner and individual psychological peculiarities, rather than with individual constituents of psychological structure.

Maksimova Natalia Evgrafovna, Candidate of Sciences (Psychology), Senior Research Fellow, V. B. Shvyrkov Laboratory of Psychophysiology, Institute of Psychology RAS, 13, Yaroslavskaya st., Moscow, 129366, Russian Federation, e-mail: almax2000@inbox.ru 

Aleksandrov Igor Olegovich, Doctor of Sciences (Psychology), Leading Research Fellow, V. B. Shvyrkov Laboratory of Psychophysiology, Institute of Psychology RAS, 13, Yaroslavskaya st., Moscow, 129366, Russian Federation, e-mail: almax2000@inbox.ru 

Yurkevich Boris Petrovich, Мaster in Computer Science, IG Index Limited, Cannon Bridge House, 5, Dowgate Hill, London, EC4R 2YA, UK, e-mail: boris@cocoaswitch.com 

Turubar Dmitriy Sergeevich, Master’s Degree Student, State University of Russia AN Kosygin (Technology. Design. Art), p. 1, 33, Sadovnicheskaya st., Moscow, 117997, Russian Federation, e-mail: dturubar@gmail.com

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