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ImproVisAR
No full textImprovisation is an important skill in music instrument learning, but remains a less-taught topic in traditional piano education. To improvise effectively, learners must develop musical vocabulary, creative confidence, and comfort in performance. These demands make piano improvisation a complex teaching challenge where technology interventions may offer sup- port. Prior short-term studies on augmented piano roll visualisations have shown promise for teaching sight-reading and motor coordination in novice students. However, how such approaches can support advanced learners in acquisition of improvisational skills remains under-explored. To address this gap, we present ImproVisAR, an interactive piano training system that teaches improvisation through augmented piano roll visualisations. Concepts and tools derived from a co- design process with improvisation experts are integrated as structured learning modes. We validated the system through a four-day controlled study (n = 6) comparing an AR-based condition with a traditional sheet music condition following a mixed-methods approach to data analysis. We collected and analysed subjective ratings of cognitive load, creativity support, user-experience, expert evaluation of performances, interaction logs, and qualitative insights collected from daily post-study interviews. Our findings show that participants experienced reduced cognitive load over time, sustained engage- ment across sessions, and AR participants showed higher expert-rated scores, particularly in rhythm, flow, musicality and overall musical impression. Participants also reported greater immersion, freedom to create musical content and motiva- tion to continue playing. We discuss these findings in relation to user experience and creativity support, and offer design recommendations for AR systems that aim to teach complex, expressive skills such as musical improvisation
Vloga šolske svetovalne službe pri zaznavanju in ukrepanju v primeru medvrstniškega spolnega nasilja
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The impact of environmental factors on the breakdown of incompatible reproductive sistem of the invasive Bermuda buttercup (Oxalis pes-caprae L.) in the Mediterranean
No full textStewardship underpins sustainable foraging
No full textForaging wild plants and mushrooms can be both beneficial and detrimental to biodiversity. We examine the role of stewardship practices, which are grounded in care, knowledge, and agency, in fostering sustainable use of wild species. These practices are pervasive among foragers across social–ecological systems yet neglected in research and policymaking
Push-out resistance of threaded wooden dowels in cross-laminated timber with hardwood cross-layer
No full textEurope is experiencing a shift in timber resource availability, with a decline in softwoods and an increase in hardwoods, creating a need to explore the utilisation of hardwoods, particularly in construction, where softwoods have traditionally been predominant. This research aimed to assess the potential of using hardwood in hybrid, doweled cross-laminated timber (DCLT) fabricated with pre-dried threaded beech dowels. The objective was to evaluate the push-out resistance of beech dowels in a three-layer DCLT with spruce in the outer longitudinal layers and beech, poplar, or spruce in the cross-layer. The DCLT specimens were conditioned at various temperatures and relative-humidity (RH) levels before the push-out test. The specimens with beech cross-layer exhibited a higher push-out resistance than those made entirely of spruce. In contrast, using poplar in the cross-layer showed no considerable difference in push-out resistance compared to using spruce. Exposure to 70 °C and 10% RH for three days decreased the push-out resistance in all groups due to extreme shrinkage of the lamellae, whereas exposure to 20 °C and 65% RH for either 60 days or 240 days resulted in higher push-out resistance for DCLT with a beech cross-layer
Nekaj mej v zvezi s številom cikličnih Steinerjevih 2-dizajnov
No full textCombining some difference methods with the famous Bays-Lambossy theorem and its generalizations we establish some non-trivial lower bounds on the number of cyclic 2-(v,k,1) designs up to isomorphism