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111.
A virtual experience to strengthen students' understanding of inference in experimental design
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María Virginia López María del Carmen Fabrizio María Cristina Plencovich 《Teaching Statistics》2018,40(3):88-93
Although our students correctly define the terms p‐value, Type I and Type II errors, they sometimes misinterpret results from real data. In this work we present an assignment intended to clear up these misconceptions. 相似文献
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Carmen van Veen Nadja Schott Natalie Lander Maike Tietjens Trina Hinkley Dennis Dreiskämper 《Measurement in physical education and exercise science》2020,24(1):74-80
ABSTRACTChildren’s positive perceived motor competence (PMC) provides motivation for physical activity. Theoretically young children (<8 years) have inflated PMC but as children cognitively develop, perceptions are hypothesized to decrease. This study investigated strength of PMC association over time, whether any change was negative (i.e. PMC decreased) and sex differences. A total of 198 children participated, 88 (44.4%) girls and 110 (55.6%) boys, aged 8.37–11.3 years at time point one (T1). Test–retest reliability using intraclass correlation was moderate for locomotor and moderate-to-good for object control perception. Hierarchical regression analysis showed PMC at T1 positively predicted significant variance one year later (T2) for locomotor (23.1%) and object control skill (5 items: 37.7%; 7 items: 39.9%). Whilst boys and girls differed on perception level there was no interaction between PMC and sex. Incongruent with previous theoretical perspectives this study identified stability in children’s PMC across an important developmental period. 相似文献
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Ramón Zárraga Jorge Cervantes Carmen Salazar-Hernandez George Wheeler 《Journal of Cultural Heritage》2010,11(2):138-144
Hybrid stone consolidants prepared from tetraethoxysilane (TEOS) and α,ω-hydroxyl-terminated polydimethylsiloxane (PDMS-OH) have been considered as one of the most promising approaches to improve the effectiveness of traditional alkoxysilane-based formulations. They have emerged as response to the negative reports commonly found in the literature: the resulting silica gel phase (SiO2) tends to develop fractures and fissures inside the stone as the gel shrinks during the drying stage. In this work, we employed SEM, solid-state 29Si NMR spectroscopy and compressive tests to characterize SiO2-PDMS hybrid gels. We report the morphological characteristics exhibited by gels prepared in vitro and in situ. It was found an appreciable reduction of gel fracture for hybrids prepared from 5% w/w of PDMS. As TEOS polycondenses, PDMS-OH is chemically incorporated into the gel matrix via Si-O-Si bonds. The inclusion of these elastic chains provides the necessary flexibility to resist the stress imposed by capillary pressure. Additionally, an important hydrophobic character is imparted to the stone. 相似文献
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Carmen A. Abubakar 《Inter-Asia Cultural Studies》2013,14(3):450-464
Abstract This paper reviews the Mindanao peace processes starting from the Marcos to the Ramos period. It discusses issues and problems highlighting some of the constant features that have characterized the peace processes. 相似文献
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Maria del Carmen Salazar 《Multicultural Perspectives》2016,18(1):3-11
This article provides support to academics who are committed to engaging in scholarly activities in ways that promote an explicit social justice focus. Moreover, this article provides a broad overview of how to pursue social justice purposes in the field of education throughout the process of scholarly production and dissemination. 相似文献
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Juan Jose Criado‐Álvarez Jaime González González Carmen Romo Barrientos Isabel Ubeda‐Bañon Daniel Saiz‐Sanchez Alicia Flores‐Cuadrado Juan Carlos Albertos‐Marco Alino Martinez‐Marcos Alicia Mohedano‐Moriano 《Anatomical sciences education》2017,10(5):487-494
Human anatomy education often utilizes the essential practices of cadaver dissection and examination of prosected specimens. However, these exposures to human cadavers and confronting death can be stressful and anxiety‐inducing for students. This study aims to understand the attitudes, reactions, fears, and states of anxiety that speech therapy students experience in the dissection room. To that end, a before‐and‐after cross‐sectional analysis was conducted with speech therapy students undertaking a dissection course for the first time. An anonymous questionnaire was administered before and after the exercise to understand students' feelings and emotions. State‐Trait Anxiety Inventory questionnaires (STAI‐S and STAI‐T) were used to evaluate anxiety levels. The results of the study revealed that baseline anxiety levels measured using the STAI‐T remained stable and unchanged during the dissection room experience (P > 0.05). Levels of emotional anxiety measured using the STAI‐S decreased, from 15.3 to 11.1 points (P < 0.05). In the initial phase of the study, before any contact with the dissection room environment, 17% of students experienced anxiety, and this rate remained unchanged by end of the session (P > 0.05). A total of 63.4% of students described having thoughts about life and death. After the session, 100% of students recommended the dissection exercise, giving it a mean score of 9.1/10 points. Anatomy is an important subject for students in the health sciences, and dissection and prosection exercises frequently involve a series of uncomfortable and stressful experiences. Experiences in the dissection room may challenge some students' emotional equilibria. However, students consider the exercise to be very useful in their education and recommend it. Anat Sci Educ 10: 487–494. © 2017 American Association of Anatomists. 相似文献