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Weber (slope) analyses of timing variability in tapping and drawing tasks.(Research Articles)
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ABSTRACT. Timing variability in continuous drawing tasks has not been found to be correlated with timing variability in repetitive finger tapping in recent studies (S. D. Robertson et al., 1999; H. N. Zelaznik, R. M. C. Spencer, & R. B. Ivry, 2002). Furthermore, the central component of timing variability, as measured by the slope of the timing variance versus the square of the timed interval, differed for tapping and drawing tasks. On the basis of those results, the authors posited that timing in tapping is explicit and as such uses a central representation of the interval to be ...
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Timing variability in circle drawing and tapping: probing the relationship between event and emergent timing.
Magazine article from: Journal of Motor Behavior
; ...performance, tapping, timing, timing variability ********** Many actions...Individual differences in timing variability during finger tapping...individual differences in timing variability during circle drawing...
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Force and Timing Variability in Rhythmic Unimanual Tapping.
Magazine article from: Journal of Motor Behavior
; ...at faster tapping rates; and (d) timing variability decreased with increasing force levels...control, oscillator modeling, rhythmic timing, variability For more than a century, the study...Kristofferson (1973) addressed the issue of timing variability by proposing a timekeeper model ...
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Component variability during bimanual rhythmic movements: not all harmonic timing ratios are alike.
Magazine article from: Research Quarterly for Exercise and Sport
; ...1994, for reviews). The present study focused on the timing variability of participants' left and right hands in the context of...together with the minor (faster) rhythm was reported, but timing variability was not examined. The primary purpose of the present study...
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Response timing accuracy of long-distance movements. (Research Note--Motor Control and Learning).
Magazine article from: Research Quarterly for Exercise and Sport
; ...experiments, Jasiewicz and Simmons (1996) reported that timing variability (as indexed by variable error; VE) decreased as movement...increases, there will be no statistical difference in timing variability (VE) at short or very long distance movements; and (b...
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"One-thousand one . . . one-thousand two . . .": Chronometric counting violates the scalar property in interval timing
Magazine article from: Psychonomic Bulletin & Review
; ...and accuracy for counting were similar. However, whereas timing variability showed the scalar property, counting variability did not...accounts for this property by defining the sources of timing variability that contribute to performance (Gibbon, 1977). The primary...
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Blocking in rapid finger tapping: the role of variability in proximodistal coordination.
Magazine article from: Journal of Motor Behavior
; Key words: blocking, coordination, timing, variability Rapid finger tapping is a time-honored task in the study of motor skills. It has been used in basic research--for example, in comparing...
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Benzene Remains Very Weak Despite Recent Pricing Strength.(Benzene demand will decline)(Brief Article)(Statistical Data Included)
Magazine article from: Chemical Market Reporter
; ...transacted at 96 cents per gallon this week, while November [material] traded at 85 cents, illustrating the extent of this timing variance;' he says. 'The prompt market is tight because production has been reduced for some time, and only recently some of the...
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Save money by understanding variance and tolerancing.(manufacturing)
Magazine article from: Medical Device Technology
; ...these commonly result in poorly allocated tolerances that cause significant quality-related production problems. Optimum timing Variance- and tolerance-related problems often result in high reject rates that erode profit margins. In some cases this occurs during...
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Newport Partners Income Fund Announces 2007 First Quarter Results
Newspaper article from: CCNMatthews Newswire
; ...from these revenues in the first quarter being approximately $0.04 of distributable cash lower than in 2006. This is only a timing variance that should be resolved in future quarters as ESR's management expects the contribution of profit commissions for 2007 to...
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Semtech Offers Dual-Channel Driver for High-Speed Differential Signal Testing
Newspaper article from: Wireless News
; ...out-of-the-box" differential timing skews -- on the order of 50 picoseconds (ps) - an improvement over channel- to-channel timing variability in systems employing expensive and exotic timing calibration and adjustment circuitry. "The ability to accurately test...
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