"Given its significant negative consequences for university students, procrastination has been studied extensively and shown to be associated with conscientiousness as a personality trait. Involving 333 university students doing teacher training programmes (68.5% female; Mage=20.51 (SD=1.61); 83.48% undergraduates doing a bachelor’s degree), our study aimed to explore the association between procrastination among more/less conscientious students and selected self-concept variables (self-control, self-efficacy, etc.). Our questionnaire was based on the Ten-Item Personality Inventory (Gosling, Rentfrow, Swann, 2003), the Self-Control Scale (Finkenauer, Engels, Baumeister, 2005), the Self-efficacy Scale (Ko?š, Hefteyova, Schwarzer, Jerusalem, 1993), and the Procrastination Scale for Student Populations (Gabrhelík, 2008); our control variables were gender and well- being (Subjective Well-Being Scale, Chan-Hoong, Soon, 2011). The sample was divided into two groups – (1) less conscientious and (2) more conscientious) – using the method of visual binning in SPSS 20. A t-test for independent samples and linear regression were used for data analysis. The less conscientious students in our sample reported a higher level of procrastination (t=6.479; df=310; p?0.001; Cohen's d=0.681). A linear model was conducted for both groups (the dependent variable being the level of procrastination, the independent variables being gender and the levels of self-control, self-efficacy, and well-being). Both models were significant ((1) F=8.449; p?0.001; R2=32.6; (2) F= 7.277; p?0.001; R2=25.7). Among the less conscientious students, the levels of self-control (?=-0.546; t=-5.262; p?0.001) and self-efficacy (?=-0.238; t=-2.092; p?0.001) were negatively associated with procrastination. Among the more conscientious students, the level of self-control (?=0.404; t=-3.929; p?0.001) was negatively associated with procrastination and “being a man” (0–man; 1–woman) (?=-0.307; t=-3.219; p?0.05) was significantly associated with the level of procrastination. The results of our study show trait and personality differences in the level of procrastination, highlighting the importance of self-control and self-efficacy development among university students. Interactive programmes with an impact on students’ self-concept can be a significant contribution to students’ ability to cope with their study requirements effectively. It could be argued that the limits of this study include cross-sectional and self-reported data."

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The goal of the authors of this empirical study is to present the results of research on the effectiveness of the intervention program focused on co-educational activities of children and seniors living in social service homes. Program creators and implementers are convinced that the interaction of children and seniors, having different forms and contexts (communication, educational, sports, artistic, work, relaxation, etc.), has the potential to influence inner experience and its subsequent manifestation of behaviour in all participants. Used research tools (Child Mental Health Problems Questionnaire, Rohner’s Personality Assessment Questionnaire for Children, Satisfaction with Life Scale for Old Age) pointed out that the program had a facilitating and developing effect on some psychological characteristics related to the quality of life of participants. In children, there was a reduction in symptoms of problem behaviour and a higher rate of adequate emotional manifestations. In the elderly, there was an increased level of overall subjective satisfaction and reduction of negative emotional manifestations.

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