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51.
Dave Fortenbaugh Monique Butcher-Mokha 《Sports biomechanics / International Society of Biomechanics in Sports》2013,12(1):2-16
The aim of this study was to provide an in-depth analysis of the pick-off play in baseball. Ten collegiate left-handed pitchers and nine base-runners participated in this study. The pitchers were videotaped with four cameras to derive three-dimensional data while performing deliveries in the directions of first base and home plate in a laboratory setting. Deliveries were performed from flat ground. Differences between these deliveries were measured through ten selected joint and segment angles. The base-runners completed two distinct procedures in which they viewed video footage of left-handed pitchers and estimated the intended delivery direction. Base-runners were subsequently interviewed to determine the reasoning behind their decisions. The pitchers' data revealed differences between delivery types in nearly all of the selected angles (P < 0.01). The base-runners' data demonstrated that their ability to discriminate delivery types improved when allowed more viewing time per trial (P < 0.01). Additionally, commonalities exist among the base-runners' focal points on the pitcher while making decisions regarding delivery direction and the kinematic differences between deliveries in left-handed pitchers. The practical significance of these results, however, may be more difficult to interpret. 相似文献
52.
Due to its associated injury risk, rotational traction is a frequently measured natural turf surface property. The most commonly used equipment, the studded boot apparatus (SBA), consists of a circular stud configuration that does not replicate the stud pattern on a regular football boot and may under or over estimate the surface traction. The aim of this study was to establish potential differences in the rotational traction measured between the current stud configuration on the SBA and the stud configuration on the most commonly used Australian football boots. The original studded boot had significantly higher rotational traction than the moulded stud sole or bladed sole. Location, quality and time tested all interacted significantly with the rotational traction measured. The current SBA may not accurately represent the rotational traction experienced by football players, and consequently may not be the most appropriate configuration to assess the relationship between rotational traction and injuries. 相似文献
53.
One hundred and ten English‐speaking children schooled in French were followed from kindergarten to Grade 2 (Mage: T1 = 5;6, T2 = 6;4, T3 = 6;11, T4 = 7;11). The findings provided strong support for the Home Literacy Model (Sénéchal & LeFevre, 2002 ) because in this sample the home language was independent of the language of instruction. The informal literacy environment at home predicted growth in English receptive vocabulary from kindergarten to Grade 1, whereas parent reports of the formal literacy environment in kindergarten predicted growth in children's English early literacy between kindergarten and Grade 1 and growth in English word reading during Grade 1. Furthermore, 76% of parents adjusted their formal literacy practices according to the reading performance of their child, in support of the presence of a responsive home literacy curriculum among middle‐class parents. 相似文献
54.
Eduardo Cascallar Monique Boekaerts Tracy Costigan 《Educational Psychology Review》2006,18(3):297-306
The role of assessment is central to the current work in the field of self-regulation research, to the conceptualizations derived from empirical work, and to the operationalisation of its concepts in individual and classroom implementations. The various instantiations of the concept of self-regulation, all presuppose a detailed accounting of many different components, with each of them being represented by a variety of proxy variables which can be measured to establish the appropriate level at which the individual or group in question is functioning or performing. A review of the literature reveals a very diverse set of models and assessment instruments, many attempting to establish constructs with serious definitional problems, and conceptual overlaps. It is necessary then to establish their validity and the exact nature of their participation, as well as a clear differentiation between them. The assessment instruments which have been used so far are equally diverse, addressing the demands of the various components of the self-regulation models used and the different aspects emphasized in the research, including socio-cultural, cognitive, and volitional aspects. It is essential, to study carefully the relationship between assessment and the elements of the self-regulation process. This careful analysis will lead to a refinement of the instruments used, to the development of appropriate assessment methodologies and strategies, and to a richer conceptualization of the self-regulatory process (SR) based on empirical assessment data to inform the theory and model construction. 相似文献
55.
Els de Koning Monique Boekaerts 《European Journal of Psychology of Education - EJPE》2005,20(3):289-308
This article reports on a study regarding the school-identification of 1819 first-year students in secondary vocational education.
We measured the school-identification of these adolescents and used the perspective of self-regulation to define three blocks
of potential determinants, including the students’ personal goals (1) their appraisals of the school and classroom (2), and
their peer- and home-identities (3). One other block included students’ personal characteristics, such as general ability
(i.e., course-level) and gender (4). In a two-wave regression procedure we investigated the contributions of the four blocks
of potential determinants in explaining students’ school-identification. The first wave showed three key-determinants, including
students’ appraisals of teacher-expectation and course-utility and the extent to which they felt alienated from their school.
Of secondary importance were students’ relational identities, with peer-identity being more important than home-identity.
Personal goals were the least important determinants. The second wave showed how the key-determinants were explained by the
students’ appraisals of mutual-support, and involvement, fairness, humour, learning-support, reward and personal respect of
their teachers. Elaborate interpretations of the results are provided in the discussion. 相似文献
56.
Monique Gagné Magdalena Janus Constance Milbrath Anne Gadermann Martin Guhn 《教育心理学》2018,38(8):1050-1067
AbstractWe examined how emotional and communication functioning at kindergarten predicted the academic trajectories of refugee children. Drawing from a population-based Canadian cohort, the study followed 629 refugee children from age 5 to 13 and (i) modeled kindergarten, Grade 4, and Grade 7 academic trajectories via group-based trajectory modeling and (ii) investigated to what extent teacher ratings of kindergarten emotional and communication functioning predicted academic trajectory group membership. Three groups were identified: ‘Average’ (n?=?438), ‘Declining’ (n?=?119), and ‘Low-But-Improving’ (n?=?72) groups. Logistic regression analyses revealed that, in comparison to the Average trajectory, lower emotional functioning at kindergarten was associated with an increased likelihood of a Declining academic trajectory, whereas lower communication functioning at kindergarten was associated with a greater likelihood of a Low-But-Improving trajectory (versus an Average trajectory). The findings indicate that refugee children are more likely to overcome early communication challenges versus emotional challenges to achieve academically, and this has important implications for early mental health support. 相似文献
57.
Nathalie Sanquirgo Richard Turton John Killeen Wayne Diamond Monique Wach 《European Journal of Psychology of Education - EJPE》2004,19(3):295-314
A survey was conducted to examine the strength of beliefs among French school pupils in three perceptions of the education-labor market link traditionally studied in the economy of human capital: ‘productivity’, ‘screening’ and ‘credentialism’. 247 male and female French students aged between 14 and 24 years responded to a paper-and-pencil questionnaire. The purpose of the study is by means of introducing the concepts of ‘productivity’, ‘screening’ and ‘credentialism’ into the field of psychology of education to identify on the one hand the relative dominance of these three conceptions, and on the other hand to study each in relation to classical demographic variables and psychosocial variables such as academic self-evaluation, self-assessment of the range of vocational options and type of education and training sought by the pupils. Results indicate that students are more inclined to believe that the achievement of academic degrees acts more as a ‘screening’ device and as evidence of achievement than a factor enhancing productivity in the workplace. It seems that the variability of the role assigned to education as regards employability depends on the students' social and academic standing and on the way they deal with it. 相似文献
58.
This article describes the Dutch Government's policy on equal opportunities in education. The Dutch policy is compared to the policy of the Inner London Education Authority (ILEA). The authors consider the extent to which the methods used by the Dutch Government and the ILEA reflect different conceptualisations of the problem of sex inequality and different implementation strategies. Special attention is paid to the aims of both policies in terms of the different feminist strategies of equality and difference, and in terms of different feminist positions: liberal versus radical feminism. 相似文献
59.
Amanda Cremone Desiree M. de Jong Lauri B. F. Kurdziel Phillip Desrochers Aline Sayer Monique K. LeBourgeois Rebecca M. C. Spencer Jennifer M. McDermott 《Child development》2018,89(2):e42-e59
Temperamental negative affect and insufficient sleep have been independently associated with behavior problems during early childhood. However, it is unknown whether these factors interact to contribute to behavioral difficulties in young children. The current study examined the interactions between temperamental negative affect and both sleep onset time and sleep midpoint, assessed by actigraphy, in predicting externalizing and internalizing behaviors in a sample of 117 children (34–69 months of age). Children with high temperamental negative affect and either later sleep onset time or later sleep midpoint were more likely to exhibit externalizing and internalizing behaviors. These results emphasize the association between temperamental negative affect and behavioral difficulties, particularly for children with insufficient sleep. 相似文献
60.
Yvonne van Rijk Langha de Mey Dorian de Haan Bert van Oers Monique Volman 《School Effectiveness & School Improvement》2018,29(2):285-307
The appropriateness of innovative educational concepts for students from a low socioeconomic status (SES) or ethnic minority background is sometimes called into question. Disadvantaged students are supposed to benefit more from traditional approaches with Programmatic Instruction (PI). We examined Developmental Education (DE), an innovative approach, inspired by Vygotskian theory, in which reading skills are developed through meaningful reading of texts corresponding to students’ self-generated problems. The effectiveness of DE is compared to PI in terms of reading comprehension, strategy knowledge, and reading motivation of 4th-grade students; 170 students from ethnic minority or low SES background participated in a pretest-posttest natural 2-group design. Outcomes were similar in both approaches, with one exception: Students with an ethnic minority background in DE performed better on strategy knowledge than similar students in PI. These results are discussed in relation to previous studies on the appropriateness of innovative curricula for disadvantaged students. 相似文献