The effects of split versus standard keyboard designs on physiological, performance, and subjective measures of the standing computer user /
= 0. 0 1 3 0) slower typing speeds on the split
| Main Author: | |
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1997.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | = 0. 0 1 3 0) slower typing speeds on the split 0.0885). With respect to subjective measures the aged participants (six female and six male) typed in a are common in industry. Typing intensive jobs can result in determine the effects of different split and standard diastolic blood differences at the 0.05 level across the six keyboards for any of the physiological measures. However, there for the duration of the six-week study. Six different hand and an-n skin temperature, arm volume, vibrotactile hand skin temperatures as well as increased vibrotactile Hill. The following physiological variables were measured: Jobs requiring workers to type for prolonged periods of time keyboard designs on keyboard users. Twelve healthy, college- keyboards tested were: IBM standard, IBM standard with wrist keyboards than on the split keyboards; however, this keyboards than on the standard keyboards. There was a keyboards were favored for lighter key force and easier keyboards were perceived easier to learn, but split keyboards were preferred to standard keyboards with keyboards were profiled (one keyboard per week). The keyboards, though. keying. The overall keyboard ranking from best to worst laboratory study was conducted to evaluate various observation was not statistically significant (p = on any of the keyboard configurations, but split pain, numbness, and possibly cumulative trauma disorders. A participants indicated very little pain was experienced performance, the participants exhibited significantly (p physical stress on the user from the task of typing. physiological, performance, and subjective measures and preference. There were no statistically significant pressures during the two hour period. Regarding pressures. Also, the performance variables of typing respect to design and usability issues. Standard rest, IBM split and raised, Microsoft, Kinesis, and Fountain sensitivity and increased systolic and diastolic blood sensitivity, nerve conduction velocity, and both systolic and showed no statistically significant difference among the speed and accuracy were measured, as well as the standing position for two hours per day, four days per week, subjective measures of body-part discomfort and keyboard tendency toward more accurate typing on the standard There was a cooling trend exhibited in both the arm and were some statistically significant trends indicating |
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| Item Description: | "Major subject: Safety Engineering". Vita. |
| Physical Description: | xii, 134 leaves : illustrations ; 28 cm. Also available online. Issued also on microfiche from Lange Micrographics. |
| Bibliography: | Includes bibliographical references: pages 48-52. |