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To examine the development of feedforward control during manual tracking, 117 participants in 5 age groups (6 to 7, 8 to 9, 10 to 11, 12 to 14, and 15 to 17 years) tracked an accelerating dot presented on a monitor by moving an electronic pen on a digitizer. To remain successful at higher target velocities, they had to create a predictive model of the target's motion. The ability to track the target at higher velocities increased, and the application of a feedback-based step-and-hold strategy decreased with age, as shown by increases in maximum target velocity and decreases in number of stops between ages 6–7 and 8–9 and between ages 8–9 and 10–11. The ability to exploit feedforward control in a dynamic tracking task improves significantly with age. 相似文献
53.
AbstractWhile leisure writing may help children to acquire writing skills, it can also be considered as an inherently valuable cultural activity. This study explores how children’s beliefs may explain to what extent children are inclined to leisure writing and if there are any gender differences. Building on preliminary scale development work, we analysed data from 963 third-graders. Variables included (a) the intrinsic value attached to leisure writing (b) preceding behavioural, normative, and control beliefs related to these activities, and (c) the level of leisure writing. In a structural equation model, the preceding beliefs were applied as explanatory variables for the intrinsic value. Intrinsic value, in turn, explained a large proportion of variance in children’s leisure-writing activities. Gender differences in leisure writing were mediated by intrinsic value. Significance of intrinsic value and preceding beliefs regarding leisure-writing activities are discussed. 相似文献
54.
Skedsmo Guri Huber Stephan Gerhard 《Educational Assessment, Evaluation and Accountability》2020,32(4):427-429
Educational Assessment, Evaluation and Accountability - 相似文献
55.
Prof. Dr. phil. habil. Kuno Hottenrott Sebastian Ludyga Stephan Schulze 《Sportwissenschaft》2013,43(3):157-165
The aim of the study was to examine the effects of three different training models on aerobic power and body composition in recreationally active runners. According to their preferences 54 subjects (female=?27, male?=?27) were assigned to the following groups: (a) weekend group (WE), who performed two sessions of continuous endurance training weekly, (b) after-work group (FE) who carried out four sessions of high intensity training as well as an additional endurance run and (c) STAR group (STAR), who took part in a training with exercise telemetry monitors based on the heart rate variability. Over the 12-week study period the mean training volume was approximately 2 h 15 min per week. Of the participants 47 successfully completed the training study and all 3 groups showed significantly improved aerobic power (p?<0.001); however, the FE group (d?=?1.15) showed increased VO2max superior to WE (d?=?0.48) and STAR (d?=?0.66) groups. Significant improvements in body mass (p?<?0.001), body fat (p?<?0.001) and visceral fat (p?<?0.001) were found in the WE, FE and STAR group. All groups completed the half marathon with no significant differences in performance. Based on a similar training volume, short, intensive endurance training sessions of about 30 min were found to elicit the greatest improvements of VO2max in recreationally active runners. 相似文献
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Dipl.-Gwl. Stephan Abele Dr. Samuel Greiff Tobias Gschwendtner Sascha Wüstenberg Reinhold Nickolaus Alexander Nitzschke Joachim Funke 《Zeitschrift für Erziehungswissenschaft》2012,15(2):363-391
This article is about the importance and validity of dynamic problem solving (DPS) in predicting technical problem solving performances. In addition to DPS, fluid intelligence and technical knowledge were included in the study. Assessing DPS and fluid intelligence simultaneously also allowed for testing the empirical distinction between both constructs. Results are based on data of a sample of car mechatronics (n?=?129) and electronics technicians (n?=?88) and showed that DPS and fluid intelligence were empirically separable. In the first sample (electronics technicians) DPS explained technical problem solving performance best, although fluid intelligence showed incremental validity too. In the second sample (car mechatronics) fluid intelligence was weakly related to the criterion whereas DPS was not at all. When technical knowledge was added to the prediction, both DPS and fluid intelligence did not predict technical problem solving performance. However, in the sample of the electronics technicians fluid intelligence indirectly affected the criterion through technical knowledge. A discussion of the somewhat contradictory results, the different results patterns in the two samples and a theoretical explanation of the results are provided. 相似文献
58.
Skedsmo Guri Huber Stephan Gerhard 《Educational Assessment, Evaluation and Accountability》2019,31(4):377-380
Educational Assessment, Evaluation and Accountability - 相似文献
59.
In an experiment with 56 young adults, the hypothesis was tested that information about the format of an anticipated test improves metacognitive monitoring. Half of the participants were informed about the format of the test before they started studying a text about human genetics. The other half of the sample received the same information after studying the text. All participants then answered 15 true-false inference items about the contents of the text and judged their confidence in the correctness of each answer. Whereas experimental and control group did not differ in the number of correct answers, the confidence judgments in the experimental group were more accurate and discriminated better between correct and incorrect answers than the control participants’ judgments. Furthermore, the informed participants’ discrimination performance correlated positively with their domain-related prior knowledge. The results extend earlier findings concerning the role of the test format for monitoring processes. 相似文献
60.
Voices of home and school on democracy and human rights education at the primary level: a case study
The purpose of this research was to investigate the perceptions of home and school concerning ideally implemented primary
democracy and human rights education. In this qualitative study, data were collected from six voluntary classroom teachers
and 16 parents in a selected school through interviews. The results of the interview yielded five major themes: physical and
environmental issues, instructional process, teacher characteristics, assessment practices, and communication patterns for
teaching democracy and human rights ideally. Most of the participants also indicated the lack of partnership between home
and school. The results showed that there are gaps between the existing and desired conditions of democracy and human rights
education in schools. 相似文献