Aim: This study investigates the impact of assertiveness training on assertiveness and self-esteem of high school students. Method: The study employs Quasi-experimental design where 130 participants aged 13-17 years were selected randomly and assigned into two groups as experimental (N-65) and control group (N-65). Tools: For this aim Assertiveness scale (AS) and Self-esteem questionnaire (RSE) were used. Training: During the treatment phase, the experimental group received assertiveness training of 5 weeks comprising two sessions per week, and each session took 45 minutes. After treatment both experimental and control groups are measured with post-tests. Results: The results show that assertiveness training has significantly increased the assertiveness and decreased the aggression and submission in the experimental group. Also the training has significantly increased the self-esteem of students. Conclusion: The obtained findings revealed an increase in the rate of self-esteem and assertiveness and decrease in the aggression and submission of students. Hence it proved that assertiveness training is significantly effective on the assertiveness, aggression, submission and self-esteem of students.

The main goal of this article is to characterise and compare some aspects of Hilary Putnam’s referential theory of meaning and Robert B. Brandom’s inferential theory of meaning. I will do it to indicate some similarities and differences in these theories. It will provide an opportunity for a deeper understanding of these theories and for a more adequate evaluation of how they describe and explain the process of meaning acquisition of linguistic expressions.

In his theory of meaning Putnam emphasises the importance of reference understood as a relationship which connects linguistic expressions and extra-linguistic (empirical) reality. Brandom acknowledges inference as a main category useful in characterising the meaning of expressions used in premises and a conclusion of inference. But his theory of meaning is criticised for minimalising the role of an empirical component (demonstratives etc.). He tries to defend his standpoint in the anaphoric theory of reference.

Putnam like Brandom claimed that we – as cognitive subjects – are not in a situation in which we learn about the extra-linguistic reality in a direct way. It is the reality itself as well as our cognitive apparatus that play a role in a cognitive process.

Professor Jerzy Pelc was the creator and long-time manager of the Department of Logical Semiotics, University of Warsaw. He also founded the Polish Society of Semiotics. He published six own books, among others Studies in Functional Logical Semiotics of Natural Language (1971; in English); he edited also dozens of volumes of Semiotic Studies and Library of Semiotic Thought. As Kotarbiński, his master, and Twardowski, the master of his master, Professor Pelc was a radical rationalist. This radical rationalism has linked him to atheism, anti-communism, a distance to politics, and a frown on the falsehood of public life. He was a great patriot – in his life and in his work. He considered himself a successor of the Lvov-Warsaw School tradition. In the field of metaphysics, Professor Pelc combined theoretical minimalism with anti-rationalist attitudes, including the postulate of precision and the requirement of criticism. The main field of his interest was logical – and broader: theoretical – semiotics. He advocated and largely developed the functional concept of signs. To traditional paradigms of research: historical, teleological, causal and prognostic ones – Professor Pelc has added a semiotic paradigm, determined by the question “What does it mean that p?”. Referring to the interdisciplinary fashion for interdisciplinary research, he conducted an analysis of the notion of INTERDISCIPLINARITY. In ontology, he analyzed the notions of OBJECT and CAUSALITY. In his approach, aesthetics was treated form a semiotic point of view: he sought mainly ways to logically rewrite its terminology. In particular, he reconstructed the main aesthetic notions: FORM and IDEOLOGY (of literary works), THEME, MOTIVE, METAPHOR and (literary) FICTION – as well as semiotic notions essential to the description of literary arts, namely the notions of ASSERTION and INTENSIONALITY. In the field of ethics, Professor Pelc declared himself as an advocate of the ideal of trustworthy guardian, which he took over from his teacher, Kotarbiński. In metaethics, he analyzed the notions of NORM, EVALUATION and HUMANITY. A master of Polish: beautiful Polish – he was certainly a true humanist.