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Dorota M. Jankowska Aleksandra Gajda Maciej Karwowski 《International Journal of Science Education》2019,41(8):1096-1117
This article explores how creative visual imagination and creative thinking can help children to construct mental models of space. A mixed-method study, integrating quantitative and qualitative approaches and involving 98 five-year-old children (54 girls and 44 boys) demonstrated that creative visual imagination, rather than creative thinking, is linked with the knowledge and understanding of space. These results support the notion that creative visual imagination contributes to improvements in children's understanding of basic astronomical concepts. Interestingly, creative thinking was not associated with understanding and knowledge of cosmic phenomena in models taking into account creative imagination. The qualitative analysis showed differences in children's representations of space. We discuss the consequences of these findings for science education, particularly the teaching of elementary astronomy. 相似文献
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Dorota K. Celinska 《Learning disabilities research & practice》2004,19(2):83-98
This study investigated personal narratives produced by children with and without learning disabilities in the context of naturalistic conversation. The high‐point analysis was applied to compare the referential and evaluative aspects of children's personal narratives. Participants were 60 students in Grades 4 and 5 in public suburban schools, with an almost equal number of boys and girls. The participants with learning disabilities were matched individually with typically achieving peers for chronological age, grade, ethnicity, and gender. Despite significant differences in expressive semantic and syntactic skills, both groups produced narratives that were equivalent in terms of length, structural organization, and global coherence. Group differences centered around the decreased inclusion of high points in narratives produced by girls with learning disabilities, indicating that these girls may struggle with generating coherent personal narratives and communicating their own perspective on the recounted personal experiences. This specific narrative performance is accounted for by the unique profile of cognitive and academic characteristics demonstrated by girls with learning disabilities. Practical implications for the multifaceted assessment of referential and evaluative narrative functions are discussed, and interventions for enhancing narrative skills are suggested. The study's findings are also discussed in the context of previous research and directions for future inquiries. 相似文献
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Dorota Sadowska Justyna Krzepota Andrzej Klusiewicz 《Journal of sports sciences》2019,37(16):1892-1898
The aim of the study was to evaluate the effect of maximal specific physical effort on postural balance and rifle stability in biathletes in a standing shooting position. The study included 10 junior elite biathletes. The measurements were taken with the Vicon system and AMTI force platform. Postural balance and rifle stability characteristics were determined at rest as well as 1 and 5 min post maximal specific physical effort which was performed on a ski ergometer and continued until exhaustion. Maximal physical effort exerted a significant effect on all examined postural sway and rifle sway characteristics. The duration of the post-exercise changes was longer than 5 minutes. Higher post-effort rifle sway was observed in the vertical direction than in the across the shooting line direction. Post-effort postural balance impairment in the shooting line was much greater than in the across the shooting line direction. Moreover, a strong correlation was found between postural balance and rifle stability. Maximal physical effort influenced postural balance and rifle stability during aiming. Rifle sway during aiming in a standing shooting position seems to be coordinated with the postural sway of the biathlete’s body. Thus, an increase in postural sway contributes to greater sway and lesser stability of the rifle. 相似文献
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Klus-Stanska Dorota Olek Hilary 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》1998,44(2-3):235-249
The burgeoning private sector is perhaps the most tangible of the changes in education which followed the upheavals of 1989/90 in Central and Eastern Europe. This article sets out to analyse the growth of private education in Poland and its contribution to the ongoing processes of democratisation and educational development. The authors argue that the euphoria of the period immediately following the overthrow of one-party communism encouraged unrealistic expectations of educational reform. Their analysis of private sector schooling in Poland suggests that its development has occurred in a haphazard fashion, reflecting the uncertainties of a society undergoing a painful process of transition. Symptomatic of this has been the failure to establish a clear regulatory framework for the private sector – an omission which has undermined the credibility of private schools. Nevertheless, the authors argue that the development of private sector schooling in Poland has brought diversity and a degree of innovation to a system previously almost devoid of either. There is now an urgent need for the evaluation and dissemination of private sector initiatives, which can serve as examples for future educational decision-making in Poland. 相似文献
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Dorota Kostrzewa-Nowak Robert Nowak Zbigniew Jastrz?bski Aleksandra Zar?bska Marta Bichowska Izabela Drobnik-Kozakiewicz ?ukasz Radzimiński Agata Leońska-Duniec Krzysztof Ficek Pawe? Ci?szczyk 《Biochemia medica : ?asopis Hrvatskoga dru?tva medicinskih biokemi?ara / HDMB》2015,25(1):103-113
Background
Numerous data suggest that aerobic-type exercise improves lipoprotein-lipid profiles, cardiorespiratory fitness and body composition in young women. The aim of this study was to evaluate the biological response to high-low impact aerobic fitness among young women.Materials and methods
Thirty-four young women aged 22 (19-24) years were divided into three groups: underweight (N = 10), normal weight (N = 12) and overweight (N = 12). Aerobic capacity, anthropometry and body composition together with complete blood count and lipid profile were determined before and after completion of a 12-week-long training period.Results
The training programme caused a significant decrease in weight (by 4.3 kg, P = 0.003), body mass index (by 1.3 kg/m2, P = 0.003), free fat mass (by 2.1 kg, P = 0.002), total body water (by 0.4 kg, P = 0.036), percentage of fat (by 3 percent points, P = 0.002), all analyzed skinfolds thicknesses, as well as the lipid profile in overweight group, and no changes in normal weight group. Significant changes in weight (by 4.2 kg, P = 0.005), body mass index (by 0.9 kg/m2, P = 0.005), crus skinfold thickness (by 3.3 mm, P = 0.028), and in maximum oxygen uptake (by 2.49 mL/kg/min; P = 0.047) were observed among underweight women. No change in total blood count was observed in all groups.Conclusion
Twelve-week-long fitness training programme of two alternating styles (low and high impact) has a beneficial effect on overweight young women.Key words: body composition, physical fitness, overweight, women 相似文献7.
This article addresses the issue of how to detect item preknowledge using item response time data in two computer‐based large‐scale licensure examinations. Item preknowledge is indicated by an unexpected short response time and a correct response. Two samples were used for detecting item preknowledge for each examination. The first sample was from the early stage of the operational test and was used for item calibration. The second sample was from the late stage of the operational test, which may feature item preknowledge. The purpose of this research was to explore whether there was evidence of item preknowledge and compromised items in the second sample using the parameters estimated from the first sample. The results showed that for one nonadaptive operational examination, two items (of 111) were potentially exposed, and two candidates (of 1,172) showed some indications of preknowledge on multiple items. For another licensure examination that featured computerized adaptive testing, there was no indication of item preknowledge or compromised items. Implications for detected aberrant examinees and compromised items are discussed in the article. 相似文献
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ABSTRACT Evidence on the association of religiosity and academic attainment is consistent, thus suggesting additional factors intervene in this relationship. We proposed and tested a model with two concepts from the field of positive psychology: psychological capital and psychological resilience. We hypothesised that these mediate the association between religiosity, demographic variables and academic achievement. We tested the model in a sample of 119 senior students in a Catholic university in Poland. The results partially supported the model; both psychological capital and psychological resilience mediated the association between religiosity and academic attainment but in different directions. Among the demographic variables, only age associated directly with achievement. The results are discussed in light of the existing evidence and positive psychology theory. 相似文献
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Teresa Zwierko Wojciech Jedziniak Beata Florkiewicz Miłosz Stępiński Rafał Buryta Dorota Kostrzewa-Nowak 《European Journal of Sport Science》2019,19(5):612-620
The ability to quickly locate objects within the visual field has a significant influence on athletic performance. Saccades are conjugate eye movements responsible for the rapid shift that brings a new part of the visual field into foveal vision. The aim of this study was to investigate the effects of sport expertise and intense physical effort on saccade dynamics during a free-viewing visual search task in skilled soccer players. Two groups of male subjects participated in this study: 18 soccer players and 18 non-athletes as the control group. Two sessions of visual search tasks without a sport-specific design were employed. Eye movements during the visual search tasks were recorded binocularly. Between pre- and post-test sessions, athletes performed a maximal incremental treadmill test. Cardiorespiratory parameters were measured continuously. Capillary lactate samples were collected. Pre-test findings indicated that athletes, in comparison to non-athletes, achieve higher values of the following characteristics of saccades (1) average acceleration, (2) acceleration peak, (3) deceleration peak, and (4) average velocity. An increase in post-test saccade duration and a decrease in post-test saccade velocity was observed in athletes due to the strenuous physical effort in relation to the pre-test state. Athletes may transfer high saccadic function efficiency to non-specific visual stimuli. The findings partially confirm that physical exertion can reduce oculomotor efficiency in athletes. 相似文献
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Dorota Kalka Marta Lockiewicz 《International Journal of Disability, Development & Education》2018,65(5):493-508
Many people with dyslexia experience numerous failures in their lifetime. This can reduce their life satisfaction and the sense of happiness. However, external support and one’s personal resources, for example resiliency, aid in dealing with difficult situations. Our study verified the importance of resiliency and perceived social support for the level of life satisfaction and the sense of happiness in Polish students with and without dyslexia, studying at both state and non-state universities. We used the Cantril Self-Anchoring Scale, SHI-PL Questionnaire, Resiliency Scale, and Social Support Questionnaire. The results showed that students with dyslexia demonstrated lower levels of: life satisfaction, positive emotions, resiliency, perceived/expected emotional and practical support, and general social support. The difference in happiness remained at the level of a statistical trend. Therefore, we conclude that dyslexia may be treated a risk factor in terms of happiness and life satisfaction in young adults. 相似文献