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151.
Audrey C. Rule Samantha Baldwin Robert Schell 《International Journal of Science Education》2013,35(9):1159-1182
This study examined the use of form and function analogy object boxes to teach second graders (n = 21) animal adaptations. The study used a pretest–posttest design to examine animal adaptation content learned through focused analogy activities as compared with reading and Internet searches for information about adaptations of animals followed by making an informative puppet play. Students participated in six week‐long lesson sets, each addressing adaptations of two animals, which alternated between the two conditions. In the analogy condition, students matched cards explaining form and function analogies of animal body parts or homes to analogous manufactured items. They mapped analogies, thought of alternate manufactured items, and created new analogies. Students scored similarly on material to be taught through both conditions on the pretest, but made significantly higher posttest mean scores (76.1% analogy versus 57.2% traditional condition) with large effect size (partial η2 = 0.58) on animal adaptation content learned through the analogy activities. This study shows the usefulness of form and function analogies in teaching product innovations to second‐grade students, indicating that early childhood students are able to successfully engage in sophisticated analogy activities. Efficacy of the analogy activities was related to objects that focused attention, motivated, and gave concrete representations of concepts; to cards and graphic organizers for organization, connections, and memory; and to complex thinking activities that challenged students and promoted peer interaction. 相似文献
152.
This paper provides a synthesis of information from extant research and policy documentation on information technology (IT) workforce issues in the US and abroad. In particular, it addresses some of the issues that concerned the USA's 21st Century Workforce Commission, which was established to look at the IT labour market. It defines the IT market fairly broadly and is concerned with the overall IT workforce. The paper covers both supply and demand issues and looks to address a variety of questions concerning the longer-term nature of IT employment and any potential labour market imperfections that may arise through inappropriate educational strategies. It looks at the skills needed to obtain IT jobs, ways to increase the supply of IT workers, and describes and assesses a number of foreign programmes for training individuals for IT employment. 相似文献
153.
154.
College students use technology to gather information and conduct their daily lives. Textbooks increasingly relate course content to students through technology. An analysis of the top ten public speaking textbooks revealed the ways in which technology is addressed within information-gathering chapters. Seven areas of technology were identified: search engines/conducting searches, the Internet, general computing, non-computer technologies, technology applications, technology in general, and the provision of Website addresses. Chi-square tests showed significant differences in the coverage of the technology topics. Instructors can make more informed textbook selections as a result of this investigation. Technology is essential to the information gathering process, and this study suggests how its treatment may be more beneficial to both students and instructors. 相似文献
155.
Diversity and Power in Public Speaking Textbooks 总被引:1,自引:1,他引:0
Kristen A. Gullicks Judy C. Pearson Jeffrey T. Child Colleen R. Schwab 《Communication quarterly》2013,61(2):247-258
The frequency of gender and ethnic groups in positions of power represented in photographs in the top 10 public speaking textbooks were investigated. Men are pictured in power positions more often than are women. In photos displaying multiple ethnicities, with or without Caucasians, people of other ethnicities were more likely to be shown in positions of power than were Caucasians. This discrepant finding is particularly interesting in light of the consistent finding on gender. 相似文献
156.
Samantha Goodrich Hannah Mudrick JoAnn Robinson 《Early education and development》2013,24(7):1035-1056
Research Findings: National policy today is on the brink of defining preschool experiences as essential for children’s academic success. Indeed, many children’s classroom experience begins as they transition from infant/toddler care to a preschool classroom. This study examined developmentally relevant skill domains among 36-month-olds (effortful control, social engagement, and language abilities) and tested their organization in a latent factor model of skills hypothesized to promote classroom adaptation. Assessments of low-income children interacting with a parent and examiner from the Early Head Start Research and Evaluation Project were utilized (n = 1,814). The data included observations of mother–child interactions during semistructured activities at home and child behavior assessments. Results indicated that the interrelated structure of children’s skills was best defined in a 2-factor, latent variable model: effortful control and social communication. These learning skills were related to but separate from general cognitive ability. Practice or Policy: Home-visiting programs for infants and toddlers are expected to promote children’s school readiness, yet little research has focused on the skills that facilitate children’s transition to the large-group learning environment at age 3. Implications of this model for early prevention efforts and early childhood teacher training to promote children’s readiness for group-based learning are discussed. 相似文献
157.
NICHD Early Child Care Research Network 《Early education and development》2013,24(2):337-368
Research Findings: Data on more than 900 children participating in the National Institute of Child Health and Human Development Study of Early Child Care were analyzed to examine the effect of age of entry to kindergarten on children's functioning in early elementary school. Children's academic achievement and socioemotional development were measured repeatedly from the age of 54 months through 3rd grade. With family background factors and experience in child care in the first 54 months of life controlled, hierarchical linear modeling (growth curve) analysis revealed that children who entered kindergarten at younger ages had higher (estimated) scores in kindergarten on the Woodcock—Johnson (W-J) Letter-Word Recognition subtest but received lower ratings from kindergarten teachers on Language and Literacy and Mathematical Thinking scales. Furthermore, children who entered kindergarten at older ages evinced greater increases over time on 4 W-J subtests (i.e., Letter-Word Recognition, Applied Problems, Memory for Sentences, Picture Vocabulary) and outperformed children who started kindergarten at younger ages on 2 W-J subtests in 3rd grade (i.e., Applied Problems, Picture Vocabulary). Age of entry proved unrelated to socioemotional functioning. Practice: The fact that age-of-entry effects were small in magnitude and dwarfed by other aspects of children's family and child care experiences suggests that age at starting school should not be regarded as a major determinant of children's school achievement, but that it may merit consideration in context with other probably more important factors (e.g., child's behavior and abilities). 相似文献
158.
Samantha Fawkner Joan Henretty Ann-Marie Knowles Alan Nevill Ailsa Niven 《Journal of sports sciences》2013,31(4):392-401
AbstractThe aim of this study was to adopt a longitudinal design to explore the direct effects of both absolute and relative maturation and changes in body size on physical activity, and explore if, and how, physical self-perceptions might mediate this effect. We recruited 208 girls (11.8 ± 0.4 years) at baseline. Data were collected at three subsequent time points, each 6 months apart. At 18 months, 119 girls remained in the study. At each time point, girls completed the Physical Activity Questionnaire for Children, the Pubertal Development Scale (from which, both a measure of relative and absolute maturation were defined) and the Physical Self-Perception Profile, and had physical size characteristics assessed. Multilevel modelling for physical activity indicated a significant negative effect of age, positive effect for physical condition and sport competence and positive association for relatively early maturers. Absolute maturation, body mass, waist circumference and sum of skinfolds did not significantly contribute to the model. Contrary to common hypotheses, relatively more mature girls may, in fact, be more active than their less mature peers. However, neither changes in absolute maturation nor physical size appear to directly influence changes in physical activity in adolescent girls. 相似文献
159.
Age and sex differences in children's color preferences 总被引:2,自引:0,他引:2
160.