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Related Concept Videos

Errors in Taping01:18

Errors in Taping

Errors in taping arise from multiple factors that can significantly impact measurement accuracy in surveying. Misalignment of the tape, often due to human error, is one primary source. A skilled rear tapeman, using a telescope, can help correct alignment by guiding the head tapeman; however, human limitations still lead to small inaccuracies. These errors may include misplacement of pins or inaccurate tape readings due to common visual confusions, such as mistaking a six for a nine. Such...
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Not all intergroup interactions lead to negative outcomes. Sometimes, being in a group situation can improve performance. Social facilitation occurs when an individual performs better when an audience is watching than when the individual performs the behavior alone. This typically occurs when people are performing a task for which they are skilled.
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Hindsight Biases

Hindsight bias leads you to believe that the event you just experienced was predictable, even though it really wasn’t. In other words, you knew all along that things would turn out the way they did. Can you relate this to the phrase "Hindsight is 20/20" now?
Systematic Error: Methodological and Sampling Errors01:15

Systematic Error: Methodological and Sampling Errors

In the case of systematic errors, the sources can be identified, and the errors can be subsequently minimized by addressing these sources. According to the source, systematic errors can be divided into sampling, instrumental, methodological, and personal errors.
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Uncertainty in Measurement: Accuracy and Precision03:37

Uncertainty in Measurement: Accuracy and Precision

Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy of their results. Measurements are said to be precise if they yield very similar results when repeated in the same manner. A measurement is considered accurate if it yields a result that is very close to the true or the accepted value. Precise values agree with each other; accurate values agree with a true value.
Random and Systematic Errors01:20

Random and Systematic Errors

Scientists always try their best to record measurements with the utmost accuracy and precision. However, sometimes errors do occur. These errors can be random or systematic. Random errors are observed due to the inconsistency or fluctuation in the measurement process, or variations in the quantity itself that is being measured. Such errors fluctuate from being greater than or less than the true value in repeated measurements. Consider a scientist measuring the length of an earthworm using a...

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Uncovering Beat Deafness: Detecting Rhythm Disorders with Synchronized Finger Tapping and Perceptual Timing Tasks
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Published on: March 16, 2015

Overproduction timing errors in expert dancers.

Joëlle Minvielle-Moncla1, Michel Audiffren, Françoise Macar

  • 1Centre de Recherche sur la Cognition et l'Apprentissage, Université de Poitiers, France. joelle.minivielle@univ-poitiers.fr

Journal of Motor Behavior
|July 17, 2008
PubMed
Summary
This summary is machine-generated.

Expert dancers

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Area of Science:

  • Cognitive Psychology
  • Motor Control
  • Human Movement Science

Background:

  • Accurate timing is crucial for expert dancers.
  • The attentional model of time processing explains how attention affects time perception.
  • Understanding timing interference in complex motor tasks is important.

Purpose of the Study:

  • To investigate how expert dancers maintain accurate timing under attentional interference.
  • To test the attentional model of time processing in expert dancers.
  • To explore the impact of different interference conditions on temporal accuracy.

Main Methods:

  • 17 expert contemporary dancers participated.
  • Dancers performed a freely chosen duration task involving walking and arm movements.
  • Temporal reproduction was assessed under various attentional interference conditions, including improvisation.

Main Results:

  • Temporal overproduction was observed across interference conditions, supporting the attentional model.
  • The greatest temporal overproduction occurred in the transfer-with-improvisation condition.
  • Findings validate the attentional model in expert populations and complex motor skills.

Conclusions:

  • The attentional model of time processing is applicable to expert dancers and complex motor tasks.
  • Improvisation within time constraints requires specialized training for dancers.
  • Attentional focus significantly influences temporal accuracy in expert motor performance.