CIM2-Artigos (em revistas ou actas indexadas)
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Percorrer CIM2-Artigos (em revistas ou actas indexadas) por Objetivos de Desenvolvimento Sustentável (ODS) "04:Educação de Qualidade"
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- The early and middle jurassic palynostratigraphy of the lusitanian basin (Portugal) in a proto-atlantic contextPublication . Correia, V.; Pereira, Z.; Riding, J.B.; Duarte, L.V.; Henriques, M.H.; Fernandes, PauloPalynomorphs, especially dinoflagellate cysts, are important biostratigraphical and palaeoenvironmental tools and their study can be applied to the Lusitanian Basin of Portugal. A palynostratigraphical high-resolution survey was undertaken in eight Lower and Middle Jurassic (upper Sinemurian to lowermost Bathonian) sections from the Lusitanian Basin. We present the resulting biostratigraphical scheme comprising the most significant palynomorph bioevents for this interval.
- Gamification on mathematics engagement and motivation in secondary school and higher education: a systematic review and meta-analysisPublication . Ratinho, Elias; Figueiredo, Mauro; Estêvão, Maria Dulce da Mota Antunes de Oliveira ; Faísca, Luís; Martins, CátiaThis systematic review and meta-analysis examined the effects of gamification on students’ motivation and engagement in mathematics at the secondary and higher education levels. A literature search (April 2025) followed by an updated search (November 2025) across ten databases identified 45 studies for qualitative synthesis and 11 for meta-analysis. The review followed PRISMA 2020 guidelines with a pre-registered protocol, and study quality was appraised with the Mixed Methods Appraisal Tool. Meta-analytic results using a three-level Correlated and Hierarchical Effects model with robust variance estimation showed a significant small-to-moderate positive effect on motivation (g = .383, 95% CI [.11, .66], p = .0218). Motivation was assessed more consistently than engagement that could not be included in the meta-analysis due to the lack of validated measures. The systematic review indicates that gamification supports motivation and engagement, with only four studies reporting negative effects. Most interventions used digital platforms (e.g., Kahoot!; Classcraft) and common game elements such as points, leaderboards and instant feedback. Overall, gamification appears promising for enhancing motivation and engagement in mathematics when designs are aligned with students’ needs, balancing competition with mastery and cooperation. Therefore, educators should limit excessive competition and prioritize personal progress and cooperative tasks that foster social interaction. Future studies should employ validated measures, larger samples, and examine both motivation and engagement to strengthen the evidence base and guide effective implementation in education.
- Palaeoenvironments, stratigraphy and taphonomy of an Upper Triassic vertebrate-bearing unit, Silves Group, central Algarve, southern PortugalPublication . Ruciński, Maciej; Ezquerro Ruiz, Lope; Campos, Hugo; Mateus, Octávio; Fernandes, Paulo; Vilas-Boas, Margarida; Atfy, Haytham El; Werneburg, IngmarTriassic to Lower Jurassic deposits known as the Silves Group in the Algarve, southernPortugal, have been studied for over 150 years. However, many of this unit’s sedimento-logical, stratigraphical, and palaeontological aspects remain poorly documented. Here, we present novel observations on sedimentology, stratigraphy, taphonomy, and fauna atthe Rocha da Pena site, located in the central part of the Algarve Basin. The investigatedsequence is established to correspond to the upper part of the Silves Group. The mud-stone, calcrete, and palustrine carbonate facies comprise most of the sequence thicknessand are interpreted as having been deposited within coastal alluvial mudflats to palus-trine settings under semi-arid and seasonal climates. The overlying siltstone and sand-stone facies indicate an environmental shift towards tidally influenced environments,subsequently covered by the latest Triassic to earliest Jurassic volcaniclastics and basalticlava flows. Furthermore, novel faunal elements, including actinopterygian and union-oid bivalves, are described from mudstone layers. New fossiliferous beds are identifiedwithin palustrine facies that yield numerous but poorly preserved materials assigned tocyamodontoid placodonts, hybodont sharks, and actinopterygians. The poor preserva-tion of the remains is attributed to the pedogenetic processes prevalent in the palustrinedepositional setting. A distinct faunal composition between the mudstone and palustrinefacies is observed. It is preliminarily hypothesized to be likely linked with salinity fluctu-ations, but sampling bias cannot currently be excluded. The recovered vertebrate faunaaligns most closely with the Carnian and, to a lesser extent, the Norian fossil record.Nonetheless, the precise age of the fossil-bearing levels remains uncertain and can cur-rently be reliably constrained to the upper Carnian–Rhaetian interval. Consequently,this work provides new insights into the palaeoenvironmental evolution of the westernTethys margin during the Late Triassic and highlights the relevance of the Silves Groupin reconstructing coastal-continental ecosystem dynamics in southwestern Iberia.