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Key points

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Friedman WJ 《Child development》2007,78(5):1472-1491
In two studies of knowledge about the properties and processes of memory for the times of past events, 178 children from 5 through 13 years of age and 40 adults answered questions about how they would remember times on different scales, how temporal memory is affected by retention interval, and the usefulness of different methods. The adults showed quite accurate knowledge about the main properties of memory for time and the processes that underlie it. Different properties and processes were first understood at ages ranging from 8 years to 12 years or later. Knowledge of the roles of reconstruction and impressions of temporal distances appear well after children use them to remember the times of events.  相似文献   
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This article is based on a pilot study investigating the representation of women in a sample of texts for citizenship education in the immediate post-Second World War era in England. The authors argue that existing research into the field of education for citizenship does not engage adequately with how the subject is taught in schools, and how citizenship education constructs the polity in line with normative and traditionalist assumptions about the role of women and men in society. By studying the texts of citizenship for the period 1940-66, the authors argue that researchers can, if they deploy a more critically engaged approach to the way in which notions of 'citizenship' and 'polity' are gendered, generate new questions and new understandings of how education for citizenship functions in schools.  相似文献   
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Previous studies of the concept of entropy have indicated that before 7 to 9 years of age, children have difficulty understanding the effects of randomizing forces and often predict highly improbable events, such as a return to the original ordered state. In the present research, 306 children between 3 and 11 years of age were asked directly whether undifferentiated forces, such as the wind or objects being thrown into the air, could create order or disorder in a set of objects. The results showed that even 4-year-olds are sensitive to the asymmetrical effects of such events. Older children apply this principle more consistently and are able to use it in explaining their answers.  相似文献   
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