https://hdl.handle.net/20.500.14178/907 2026-05-12T02:06:46Z 2026-05-12T02:06:46Z Hanzlová, Radka Spitzerová, Markéta https://hdl.handle.net/20.500.14178/3802 2026-05-12T01:00:20Z 2026-01-01T00:00:00Z

Development and Validation of the Ultra-Short Version of the Identity Style Inventory (US-ISI-5) Among Czech Adolescents Hanzlová, Radka; Spitzerová, Markéta Adolescence and the transition to adulthood represent critical periods for identity formation, with a coherent and stable sense of identity being a key component of psychosocial development and functioning in different social roles throughout one’s life. In their decision-making processes, individuals mainly employ three socio-cognitive strategies – informational, normative, and diffuse/avoidant – each of which can be measured by the Identity Style Inventory (ISI). However, the traditional version of this scale is too long and not particularly suitable for online surveys. This research note aims to develop and validate an ultra-short version of the ISI with a large sample of Czech adolescents aged 15–20 (N = 21,968). The analysis is based on data collected online from the first wave of the Czech Education Panel Survey (CZEPS), administered in autumn 2023. Exploratory (EFA) and confirmatory factor analyses (CFA) were conducted during the development process. The validation and psychometric properties were evaluated in terms of reliability, convergent and criterion-related validity, and measurement invariance across gender and type of study. The results showed that the ultra-short Czech version of the ISI scale with nine items achieved good psychometric and structural quality. EFA clearly supported the three-factor structure, which was confirmed by CFA with good model fit. The reliability assessment results were consistent with those of other studies, and in terms of validity, both convergent and criterion-related validity were demonstrated by weak but theoretically consistent and meaningful associations with other measures. In terms of measurement invariance, partial scalar invariance was achieved across gender and type of study. The newly developed ultra-short nine-item version of the ISI (US-ISI-5) has been validated as a psychometrically sound and useful instrument for measuring identity processing strategies among Czech adolescents.

2026-01-01T00:00:00Z Vlčková, Tereza Buriánek, Jiří https://hdl.handle.net/20.500.14178/3788 2026-05-01T01:00:22Z 2025-01-01T00:00:00Z

The Role of Self-Control in Offline and Online Juvenile Delinquency: Insights From Czech Adolescents in the ISRD-4 Study Vlčková, Tereza; Buriánek, Jiří This study examines the relationship between self-control and juvenile delinquency, with a focus on differences between traditional (offline) and cyber (online) offenses. Utilizing data from the fourth wave of the International Self-Report Delinquency Study (ISRD-4), the sample consisted of 2,115 Czech adolescents surveyed in spring 2023 across Prague and Pilsen. The sample included students from 8th and 9th grades of elementary schools, equivalent grades of multiyear grammar schools, and the first 2 years of high schools. Logistic regression analysis revealed that both self-control and gender significantly influence the chance of engaging in delinquent behaviors, with boys demonstrating a higher propensity for both traditional and cyber delinquency, particularly in the online contexts. Notably, self-control was found to play a stronger role in traditional offenses compared to cyber delinquency, suggesting it is not the primary predictor of delinquent behavior in the digital realm. Such insights are critical for developing differentiated and targeted interventions to address the distinct characteristics of offline and online delinquent behaviors.

2025-01-01T00:00:00Z Kaščák, Ondrej https://hdl.handle.net/20.500.14178/3787 2026-05-01T01:00:16Z 2024-01-01T00:00:00Z

What is left? Bracketing the role of school Kaščák, Ondrej This special issue is being published at a time when the confl ict between technological optimists in education, empowered by the pedagogical experiments of the pandemic, and traditionalists, disgusted by the low eff ectiveness of distance education and hailing a return to the traditional school bench, has been rekindled. In the fi eld of educational theory and research, there has been a resurgence of interest in critical and traditional conceptualisations of schooling. Prominent among these re-emerging themes are Illich's radical propositions concerning deschooling (Bartlett & Schugurensky, 2020), less radical notions of schooling at home (Price, Peersman, & Matherne, 2021), and conventional approaches that emphasise the advantages of re-engaging with formal school education (Asadullah, 2024).

2024-01-01T00:00:00Z Janovský, Martin Millerová, Sabina McKinny, Chris Ackermann, Oren Lisa, Lenka Fiser, Jan Ben-gedalya, Tziona Imas, Daniel Spiteri, Cynthianne Nikolskaia, Polina Shai, Itzick https://hdl.handle.net/20.500.14178/3786 2026-05-01T01:00:15Z 2025-01-01T00:00:00Z

Geoarchaeology in the Absence of Layers: Large-Scale Sampling From an Iron Age Urban Context in the Southern Levant Janovský, Martin; Millerová, Sabina; McKinny, Chris; Ackermann, Oren; Lisa, Lenka; Fiser, Jan; Ben-gedalya, Tziona; Imas, Daniel; Spiteri, Cynthianne; Nikolskaia, Polina; Shai, Itzick Understanding the impact of erosion and postdepositional processes is essential for reconstructing site formation in ancient tells. At Tel(1) Burna, a multiperiod stratified site in the Shephelah region of central Israel, we integrate portable X-ray fluorescence (pXRF), portable optically stimulated luminescence (pOSL), and organic residue analysis (ORA). Our aim is to assess how postdepositional processes shaped the archaeological record in Tel Burna, Israel. The results demonstrate that elemental patterns-particularly phosphorus (P), calcium (Ca), and potassium (K)-can reveal occupation surfaces and destruction layers not visible macroscopically. High Ca corresponds to chalk-based floors, elevated K to degraded mudbrick architecture, and enriched P to domestic activity or burning. A fire-related destruction horizon in Stratum IV is suggested by the presence of high P in the decomposed mudbrick destruction layer, elevated K in both this layer and the underlying intact mudbrick, low Ca, strong luminescence signals, and the near absence of lipids, suggesting thermal alteration of architectural materials. pOSL photon counts increase with depth and provide strong support for the stratigraphic integrity of the profile. Spatial variability, including the absence of Stratum III in downslope areas, highlights differential preservation across the site. Comparative data from regional soils reinforce the interpretation that carbonate-rich, alkaline soils tend to retain P but allow greater K mobility. The study highlights how the integration of pXRF, pOSL, and biomolecular analysis can improve stratigraphic resolution in complex or eroded contexts, offering a rapid, non-destructive toolkit for rescue archaeology and for identifying buried destruction events and mudbrick constructions in the southern Levant.

2025-01-01T00:00:00Z