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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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Nagasawa, Yoshinori; Demura, Shinichi – Measurement in Physical Education and Exercise Science, 2011
This study examined age-group corresponding relationships of the controlled force exertion based on sinusoidal and quasi-random waveforms in 175 right-handed male adults aged 20 to 86 years. The subjects were divided into 3 groups based on age-level: 53 young (mean age 24.6, SD = 3.3 years), 71 middle aged (mean age 44.3, SD = 8.7 years), and 51…
Descriptors: Age, Computer Uses in Education, Older Adults, Age Differences
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Nagasawa, Yoshinori; Demura, Shinichi – Measurement in Physical Education and Exercise Science, 2010
This study examined age group and individual differences in controlled force exertion by emulating sinusoidal and quasi-random waveforms in 222 right-handed female adults aged 20 to 86 years. The subjects matched their submaximal grip strength by the dominant hand to changing demand values displayed as either a sinusoidal or a quasi-random…
Descriptors: Age Differences, Individual Differences, Statistical Analysis, Females
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Nagasawa, Yoshinori; Demura, Shinichi – Measurement in Physical Education and Exercise Science, 2009
This study aimed to examine the age and sex differences in controlled force exertion measured by the bar chart display in 207 males (age 42.1 [plus or minus] 19.8 years) and 249 females (age 41.7 [plus or minus] 19.1 years) aged 15 to 86 years. The subjects matched their submaximal grip strength to changing demand values, which appeared as a…
Descriptors: Intervals, Statistical Analysis, Gender Differences, Comparative Analysis