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991.
Knudson D Noffal G Bauer J McGinnis P Bird M Chow J Bahamonde R Blackwell J Strohmeyer S Abendroth-Smith J 《Sports biomechanics / International Society of Biomechanics in Sports》2003,2(2):267-277
To help instructors in evaluating innovations in biomechanics instruction, a standardised test of the key concepts taught in the introductory biomechanics course was developed. The Biomechanics Concept Inventory (BCI) consists of 24 questions that test four prerequisite competencies and eight biomechanics competencies. Three hundred and sixty seven students from ten universities throughout the United States took the test at the beginning and the end of the introductory biomechanics course. Analysis of a sub-sample of the students showed that the BCI was reliable with typical errors in internal consistency and test-retest conditions of 1.4 and 2.0 questions, respectively. Mean pre-test scores (8.5 +/- 2.0) significantly (p < 0.0001) improved to 10.5 +/- 3.2 in the posttest (n = 305). Typical biomechanics students could correctly answer half of the prerequisite questions on the pre-test. Instruction resulted in a mean normalised gain (g) of 13.0% of maximum possible improvement that was consistent with research on traditional instruction in introductory physics courses. It was concluded that the BCI could be an effective tool to evaluate the overall effect of pedagogical strategies on student learning of key biomechanical concepts in the introductory biomechanics course. 相似文献
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Susan S. Woodhouse Julie R. Scott Allison D. Hepworth Jude Cassidy 《Child development》2020,91(1):e249-e265
This observational study addressed a critical gap in the understanding of the precursors of infant attachment by examining whether a new conceptualization of maternal caregiving behavior, secure base provision (SBP), explained variance in attachment above and beyond variance explained by sensitivity. Participants included 83 low-socioeconomic status (SES), 4.5-month-old infants (56% male) and their mothers. Infant–mother dyads completed laboratory tasks at 4.5 months and three 30-min home visits between 7 and 9 months, then returned to the laboratory at 12 months for an attachment assessment. Maternal sensitivity did not significantly predict infant attachment security. SBP significantly predicted infant attachment, over and above sensitivity, with an effect size eight times larger than that of sensitivity in meta-analytic findings for low-SES families. 相似文献
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The purpose of this longitudinal study was to examine the influence of spoken dialect density on writing and on the codevelopment of reading and writing in African American English-speaking (AAE) children from first through fifth grades. The sample included 869 students, ranging in age from 5.8 to 12.5 years. Results indicated that dialect density had a negative influence concurrently and longitudinally on reading and writing in AAE-speaking children. High dialect users tended to have weak reading and writing skills and heavier dialect density slowed growth in reading and writing. However, this effect was moderated by the effects of reading and writing on each other. Reading had a facilitative effect on writing even in the presence of heavy dialect use. 相似文献
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Wonjung Oh Julie C. Bowker António J. Santos Olívia Ribeiro Maryse Guedes Miguel Freitas Hyoun K. Kim Seowon Song Kenneth H. Rubin 《Child development》2021,92(6):e1154-e1170
Adolescents’ dyadic relationships are likely influenced by the cultural context within which they exist. This study applied a person-oriented approach to examine how perceived support and negativity were manifested across youths’ relationships with mothers, fathers, and best friends, simultaneously, and how distinct relationship profiles were linked to adaptive and maladaptive functioning (aggression, anxious-withdrawal, prosociality) within and across cultures. Participants resided in metropolitan areas of South Korea, the United States, and Portugal (10–14 years; N = 1,233). Latent profile analyses identified relationship profiles that were culturally common or specific. Additional findings highlighted commonality in the relations between a high-quality relationship profile and adaptive functioning, as well as cultural specificity in the buffering and differential effects of distinct relationship profiles on social-behavioral outcomes. 相似文献
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Julie Skinner 《Pastoral Care in Education》1999,17(1):32-36
This paper is based upon three stories which were told by respondents in a study of how survivors, mothers of survivors and teachers of survivors cope in the aftermath of child sexual abuse. These stories relate to interactions in the school or workplace and are discussed within the broader context of existing stereotypes and assumptions about abuse. The paper argues that assumptions about abuse can affect outcomes and can cause distress to others who become involved in dealing with it. 相似文献
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