Related Experiment Video
Updated: Jul 4, 2026

06:42
Providing Visual Biofeedback Using Brightness Mode Ultrasound During a Golf Swing
Published on: August 25, 2022
Putting to a bigger hole: golf performance relates to perceived size
Jessica K Witt1, Sally A Linkenauger, Jonathan Z Bakdash
1Department of Psychological Sciences, Purdue University, West Lafayette, Indiana 47907, USA. jkwitt@purdue.edu
Psychonomic Bulletin & Review
|June 24, 2008
Summary
Golfers who performed better perceived the golf hole as larger. This suggests that current performance ability influences visual perception, impacting how we see our environment.
Area of Science:
- * Cognitive Psychology
- * Sports Science
- * Perception Research
Background:
- * Skilled behaviors, like sports, involve integrating optical information with performance.
- * The relationship between an individual's performance and their perception is not fully understood.
Purpose of the Study:
- * To investigate the influence of performance on size perception in golfers.
- * To determine if successful performance leads to altered judgments of environmental features.
Main Methods:
- * Field study: Compared size judgments of golf holes by golfers of differing performance levels.
- * Laboratory experiments: Participants putt from near and far locations and then judged hole size.
Main Results:
- * Better-performing golfers judged the hole size as larger compared to lower-performing golfers.
- * Participants who putted from a near location perceived the hole as larger than those from a far location.
Conclusions:
- * Perception is dynamically influenced by an individual's current ability to perform actions effectively.
- * Performance success can alter the subjective perception of environmental object sizes.
Related Concept Videos
Transmission Shafts: Problem Solving
Designing a solid shaft that transmits power from a motor to a machine tool involves a series of calculations to ensure the shaft can withstand the stresses applied by bending moments and torques. First, calculate the torque exerted on the gear, considering the power transmitted by the shaft and its rotational speed. Following this, compute the tangential forces acting on the gears, which directly relate to the torque and the gear radius.
Next, use bending moment diagrams for the shaft to...
Next, use bending moment diagrams for the shaft to...
Design of Transmission Shafts
The design of a transmission shaft is governed by two primary specifications: the power it transmits and its rotational speed. These parameters guide the selection of the shaft's material and cross-sectional dimensions, ensuring that the material's maximum shearing stress remains within the elastic limit while transmitting the desired power at the given speed. The system's power is intrinsically linked to the applied torque. The torque applied to the shaft can be calculated by reconfiguring the...
Thin-Walled Hollow Shafts
In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution of...
Plastic Deformation in Circular Shafts
When materials are subjected to forces that surpass their yield strength, they undergo a process known as plastic deformation. This results in a permanent alteration or strain in their structure. This concept can be specifically applied to circular shafts, where the deformation leads to a change in its shape. The precise evaluation of this plastic deformation requires understanding the stress distribution within the circular shaft, which is achieved by calculating the maximum shearing stress in...
Social Facilitation
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.
Exercise and Muscle Performance
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
