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The third edition of the KKS includes changes based on research conducted between 2022 and 2023: new norms for individuals aged 14–19 and 20–29, new data on the questionnaire’s reliability and validity, and updated interpretive guidelines. Additionally, this edition of the KKS includes a consolidated sheet from the two earlier versions, M and D (some items have been slightly modified, and some expressions have been modernized).
The KKS is used to assess social competence, understood as acquired skills that determine a person’s effectiveness in various social situations. It can be applied both in diagnostic practice (clinical counseling, career guidance) and for selection purposes, as well as in scientific research.