A total of 1015 sixth grade schoolchildren were examined.
A similar and improved pattern was identified among first grade schoolchildren.
This randomised controlled trial showed that a multi-component physical activity intervention for one school year in first and fifth grade schoolchildren favourably affected body composition, aerobic fitness, physical activity, and cardiovascular risk.
This study was designed to identify individual differences predicting competence in solving written subtractions with borrowing in second-grade schoolchildren.
We describe a collaborative learning activity and the software architecture that supports both interaction modes, and also present a usability analysis of the activity conducted with second-grade schoolchildren.
Although neonates and first- and second-grade schoolchildren were evaluated, there were no measurements during infancy and no information on breast-feeding exposure.
Subjects comprised all fourth-grade schoolchildren (9 or 10 years of age) from Ina during 2005 2008.
Subjects were fourth-grade schoolchildren (aged 9 or 10) from the town of Ina in Saitama Prefecture, Japan during 2004 2009.
Subjects were fourth-grade schoolchildren (aged 9 or 10) from elementary schools in the town of Ina during 2004 2009.
During spring 1984, 2334 second and 2000 fifth-grade schoolchildren living in three Haifa Bay areas on the eastern Mediterranean coast with different levels of air pollution were studied.
After an information session organized in each classroom, a questionnaire and an informed consent document were distributed to the fifth-and sixth-grade schoolchildren.
