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Measurement of the Hand Transmitted Vibration of the Human Hand Arm System During Operation of a Hand Tractor
Published on: June 16, 2021
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Hand proximity effects are fragile: a useful null result.
Ronald Andringa1, Walter R Boot1, Nelson A Roque1
11Department of Psychology, Florida State University, 1107 W. Call Street, Tallahassee, FL 32306 USA.
Cognitive Research: Principles and Implications
|April 3, 2018
Summary
Researchers investigated if placing hands near objects improves visual search. Studies found hand proximity did not enhance performance in complex visual search tasks or change detection, suggesting the effect is sensitive to experimental procedures.
Area of Science:
- Cognitive Psychology
- Human-Computer Interaction
- Visual Perception
Background:
- The near-hands advantage suggests that placing hands close to visual stimuli can enhance visual processing.
- This phenomenon has potential applications in improving performance in various tasks.
Purpose of the Study:
- To investigate whether the near-hands advantage applies to complex visual search tasks.
- To examine the influence of hand proximity and search strategies on visual search performance.
- To replicate and clarify the conditions under which the near-hands advantage may occur.
Main Methods:
- Four experiments were conducted using visual search and change detection paradigms.
- Participants responded to stimuli presented on tablet computers and CRT monitors.
- Hand positions were manipulated, including gripping a tablet and using a mouse or keys.
Main Results:
- Hand proximity did not significantly influence performance in complex visual search tasks.
- A tracing strategy did not improve target detection despite increased inspection time.
- Replication attempts of the near-hands advantage in change detection failed under varied conditions.
Conclusions:
- The near-hands advantage appears highly sensitive to procedural variations.
- The specific posture and equipment used may critically influence the presence of the near-hands advantage.
- Further research is needed to understand the precise conditions for harnessing this effect in applied settings.
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