High‐school students’ reasoning while constructing plant growth models in a computer‐supported educational environment

This paper highlights specific aspects of high‐school students’ reasoning while coping with a modeling task of plant growth in a computer‐supported educational environment. It is particularly concerned with the modeling levels (‘macro‐phenomenological’ and ‘micro‐conceptual’ level) activated by peers while exploring plant growth and with their ability to shift between or within these levels. The focus is on the types of reasoning developed in the modeling process, as well as on the reasoning coherence around the central concept of plant growth. The findings of the study show that a significant proportion of the 18 participating dyads perform modeling on both levels, while their ability to shift between them as well as between the various elements of the ‘micro‐conceptual’ level is rather constrained. Furthermore, the reasoning types identified in peers’ modeling process are ‘convergent’, ‘serial’, ‘linked’ and ‘convergent attached’, with the first type being the most frequent. Finally, a significant part of the participating dyads display a satisfactory degree of reasoning ‘coherence’, performing their task committed to the main objective of exploring plant growth. Teaching implications of the findings are also discussed.     

Principled Improvement in Science: Forces and proportional relations in early secondary-school teaching

In response to continuing concerns about student attainment and participation in science and mathematics, the epiSTEMe project took a novel approach to pedagogy in these two disciplines. Using principles identified as effective in the research literature (and combining these in a fashion not previously attempted), the project developed topic modules for early secondary-school teaching in the UK, arranged for their implementation in classrooms, and evaluated the results. This paper reports the development, implementation, and evaluation of one of the epiSTEMe science modules. Entitled Forces and Proportional Relations, the module covers standard curricular material in the domain of forces, while paying particular attention to the proportional nature of many key constructs. It was developed in collaboration with a small group of teachers; implemented subsequently in 16 classrooms, in all cases involving students from the first year of secondary school; and evaluated through comparison with first-year students in 13 control classrooms who were studying the topic using established methods. Evaluation addressed topic mastery and opinions about the topic and the manner in which it was taught. While further research is required before definite conclusions are warranted, results relating to topic mastery provide grounds for optimism about the epiSTEMe approach. Furthermore, student opinions about the module were positive.     

Spelling of derivational and inflectional suffixes by Greek-speaking children with and without dyslexia

We investigated the spelling of derivational and inflectional suffixes by 10–13-year-old Greek children. Twenty children with dyslexia (DYS), 20 spelling-level-matched (SA) and 20 age-matched (CA) children spelled adjectives, nouns, and verbs in dictated word pairs and sentences. Children spelled nouns and verbs more accurately than adjectives and inflections more accurately than derivational suffixes. DYS children performed worse than CA in all cases and worse than SA in verb inflections, but similar to SA in all the remaining cases, consistent with a delayed rather than deviant performance pattern. Qualitative analysis showed that uncommon vowel graphemes were often replaced by more common patterns. Children with dyslexia may have weaknesses in grasping morphological information and/or in applying this knowledge to spell word suffixes.     

Applying MacKinnon's 4Ps to foster creative thinking and creative behaviours in kindergarten children

The purpose of this study was to identify certain strategies and conditions that should be used by teachers in kindergarten so as to foster creative thinking and creative behaviours to children. We used a quasi-experimental research design for 6 months in a public kindergarten in a suburban area of Greece, and we developed a creative music and movement programme. The programme was based on the 4Ps of MacKinnon (press, product, process and personality). The experimental group participated in the creative programme 2–3 times a week, while the control group participated in the unstructured free-play setting. A total of 16 interventions were applied of 45–60 min each. The intervention was conducted by an external teacher, specialised in music and movement education, who was also the observer of the intervention. Double evaluation was applied in both groups, before and after the intervention, and the results were compared based on MacKinnon's approach. The results of the study showed that following MacKinnon's approach during the design of an educational programme could foster children's creativity.     

Historical coastal urban landscapes digital documentation and temporal study with 2D/3D modeling functionality: The case of Thessaloniki,Greece

The study refers to the visual representation of the coastal front of the historical center of Thessaloniki in northern Greece and its changes that have occurred through the years. Most of the old town was destroyed by fire on August 18, 1917. A few years later, the French architect and archeologist Ernest Hébrard proposed the reconstruction of the city centre, but his plans were never fully implemented. Since then, a series of interventions changed the form of the old town and consequently the coastal cityscape. The research was initially based on the photogrammetric processing of archive aerial images (1938) of Thessaloniki's city centre. Besides the vertical images, high oblique aerial images dated back to 1932, proved to be a significant source of information. A rich archive of old photographic material, sketches, drawings and gravures of the coastal forehead of the city was also used. Ortho-images of the coastal front, derived from laser scanning (2010), and a 3D model of the historical city center, derived from the stereo photogrammetric process of aerial images (1990), contributed decisively at the multi temporal study of the city front. The main outcomes of the present documentation study are the 3D representation (at scale of 1:200, accuracy 5 cm) of temporal changes of a part of the coastal front of the historical center of Thessaloniki and the 2D representation (at scale 1:100, accuracy 1–2 cm) of these changes with respect to variations on skyline, lacunas, interventions in old buildings, etc.     

Bounded decision-making,teachers’ reflection and organisational learning: How research can inform teachers and teaching

Despite numerous efforts to align educational practice more closely with findings from educational research, there is little clarity about how educational practitioners can, in principle, use research. We propose a conceptualisation based on how research can contribute to practitioners’ thinking: specifically, our framework proposes that research can inform bounded decision-making, teachers’ reflection and organisational learning. Practitioners can also use research without being aware that they are doing so. We argue that this conceptualisation of research use has potential to inform researchers and practitioners.     

The experience of bullying among secondary school students

The present study was designed to qualitatively investigate secondary students' interpretations and experiences of bullying (and victimization) in Greek schools, with a focus on gender similarities and differences. Overall, 95 students (50 boys and 45 girls), 15 or 16 years old, participated in focus group interviews that were homogeneous in terms of grade and gender. Data analysis, using the interpretative phenomenological approach, showed that different interpretations and meanings of bullying between genders have important consequences on actual behavior. Furthermore, students do not reveal bullying and victimization to either parents or teachers, who are described as indifferent and ineffective. Results are indicative of a school culture that is conducive to bullying behaviors and have important implications for antibullying interventions. © 2010 Wiley Periodicals, Inc.     

Development of a Questionnaire for Self-Evaluation of Teacher Effectiveness in Physical Education (SETEQ-PE)

The purpose of the present study was to develop a reliable and valid questionnaire for the self-evaluation of teacher effectiveness in physical education (SETEQ-PE). Initially, 90 items, based on the findings of the international bibliography on teacher effectiveness and effective teaching, were formed and then categorized in 11 thematic units (phase 1). The questionnaire was completed by in-service physical education teachers (N?=?470) in phase 2 (N?=?250) and phase 3 of the study (N?=?220). In each phase, the appropriate modifications were made on the basis of internal consistency and construct validity of the instrument. The final form of the SETEQ-PE consists of 25 items that evaluate six domains of teaching in physical education. The results showed that the self-evaluation questionnaire is a valid and reliable tool that can be used for assessing the work of the physical education teacher. Further, this tool might probably enhance a teacher's knowledge, understanding, motivation, and attitudes towards teaching.