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71.
Florence Gabriel Frédéric Coché Dénes Szucs Vincent Carette Bernard Rey Alain Content 《Mind, Brain, and Education》2012,6(3):137-146
Fractions constitute a stumbling block in mathematics education. To improve children's understanding of fractions, we designed an intervention based on learning‐by‐doing activities, which focused on the representation of the magnitude of fractions. Participants were 292 Grade 4 and 5 children. Half of the classes received experimental instruction, while the other half pursued their usual lessons. For 10 weeks, they played five different games using cards representing fractions (e.g., Memory and Blackjack). Wooden disks helped them represent and manipulate fractions while playing games. Our results showed an improvement in the conceptual understanding of fractions. The findings confirmed that the usual practice in teaching fractions is largely based on procedural knowledge and provides only minimal opportunities for children to conceptualize the meaning and magnitude of fractional notations. Furthermore, our results demonstrate that a short intervention inducing children to manipulate, compare, and evaluate fractions improves their ability to associate fractional notations with numerical magnitude. 相似文献
72.
We investigate how the social working environment predicts beginning teachers’ self-efficacy and feelings of depression. Two quantitative studies are presented. The results show that the goal structure of the school culture (mastery or performance orientation) predicts both outcomes. Frequent collaborative interactions with colleagues are related to higher self-efficacy only when the novices are experiencing few difficulties or work in an environment oriented towards mastery goals. The mere occurrence of mentoring and meetings with the principal is not related to the outcomes, but the quality of these activities predicts them significantly. Conditions increasing the effectiveness of these support activities are discussed. 相似文献
73.
Petrill S Logan J Hart S Vincent P Thompson L Kovas Y Plomin R 《Journal of learning disabilities》2012,45(4):371-381
The authors examined whether math fluency was independent from untimed math and from reading using 314 pairs of school-aged twins drawn from the Western Reserve Reading and Math Projects. Twins were assessed through a 90-min home visit at approximately age 10 and were reassessed in their homes approximately 1 year later. Results suggested that the shared environment and genetics influenced the covariance among math fluency, untimed math measures, and reading measures. However, roughly two thirds of the variance in math fluency was independent from untimed math measures and reading, including reading fluency. The majority of this independent variance was the result of genetic factors that were longitudinally stable across two measurement occasions. These results suggest that math fluency, although related to other math measures, may also be a genetically distinct dimension of mathematics performance. 相似文献
74.
75.
Comprehensive reviews of child death are increasingly conducted throughout the world, although limited information is available about how this information is systematically used to prevent future deaths. To address this need, we used cases from 2005 to 2009 in the U.S. National Child Death Review Case Reporting System to compare child and offender characteristics and to link that information with actions taken or recommended by review teams. Child, caretaker, and offender characteristics, and outcomes were compared to team responses, and findings were compared to published case series. Among 49,947 child deaths from 23 states entered into the Case Reporting System during the study period, there were 2,285 cases in which child maltreatment caused or contributed to fatality. Over one-half had neglect identified as the maltreatment, and 30% had abusive head trauma. Several child and offender characteristics were associated with specific maltreatment subtypes, and child death review teams recommended and/or planned several activities in their communities. Case characteristics were similar to those published in other reports of child maltreatment deaths. Teams implemented 109 actions or strategies after their review, and we found that aggregating information from child death reviews offers important insights into understanding and preventing future deaths. The National Child Death Review Case Reporting System contains information about a large population which confirms and expands our knowledge about child maltreatment deaths and which can be used by communities for future action. 相似文献
76.
David Vincent 《比较教育学》2014,50(3):266-281
This article examines the invention of counting literacy on a national basis in nineteenth-century Britain. Through an analysis of Registrar Generals' reports, it describes how the early statisticians wrestled with the implications of their new-found capacity to describe a nation's communications skills in a single table and how they were unable to escape their model of a society of isolated individuals divided into the literate and illiterate. The continuing influence of this approach is traced in the recent report from the Organisation for Economic Co-operation and Development's (OECD) Programme for the International Assessment of Adult Competencies (PIACC). 相似文献
77.
Over the past few decades, the figure of the market has clearly made its way into the field of education. For some authors, it represents an alternative to regulation by the public authorities, a different form of co-ordination which is better able to meet the objectives of the education systems. Through a secondary analysis of the PISA 2006 database, we test this hypothesis, as well as an alternative one which suggests that the quasi-market, rather than being linked positively to effectiveness of the education systems, would be associated with the students’ achievement dependence on their socio-economic and cultural background and on the social composition of the school they are enrolled in. Our findings suggest that the quasi-market regulation (school autonomy and competition for student recruitment) (1) is not linked to effectiveness and (2) tends to be associated with a stronger link between schools’ social composition and student achievement. 相似文献
78.
John Dunning's Tune in Yesterday: The Ultimate Encyclopedia of Old-Time Radio, 1925-1976 (Englewood Cliffs, N.J.: Prentice-Hall, 1976---$14.95 until January 1st, and then $17.95) Vincent Terrace's The Complete Encyclopedia of Television Programs, 1947-1976 (South Brunswick, N.J.: A.S. Barnes, 1976---$29.95, two volumes) 相似文献
79.
Vincent Cicchirillo 《Communication Research Reports》2013,30(2):122-131
The following study examines the influence of racial representations in violent video games upon stereotype associations. Participants were assigned to play either a violent video game with a stereotypical African American avatar or a Caucasian avatar. Following game play, participants completed several measures related to aggression and an implicit association task. The results showed significant differences between the conditions for IAT response times. African American participants showed faster response times to stereotype associations of African Americans than participants who played as a Caucasian avatar. The results also showed a significant interaction effect between participant race and avatar race for aggressive affect. 相似文献
80.
It is commonly assumed that children with dyslexia are slower at handwriting than other children. However, evidence of slow handwriting in children with dyslexia is very mixed. Thirty-one children with dyslexia, aged 9 years, were compared to both age-matched children and younger spelling-ability matched children. Participants completed an alphabet-writing task and a composition task on the surface of a digital writing tablet. Children with dyslexia wrote the same amount of letters per minute in the alphabet task but wrote fewer words per minute when composing their texts than children of the same age. Crucially, no differences were found between children with dyslexia and their same age peers for speed of handwriting execution, measured by the tablet, when writing the alphabet or composing their texts. However, children with dyslexia were found to pause within their compositions as often as the spelling ability matched group. Thus handwriting execution is not impaired in children with dyslexia. The slow writing that is typical of children with dyslexia is due to pausing more often when composing and is related to spelling ability. This may reflect processing problems in response to high cognitive load through having to contend with spelling and composing concurrently. 相似文献