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Seemingly Uninvolved Players' Impact on Assistant Referees' Offside Decisions.
Benjamin Noël1, Stefanie Klatt1,2
1German Sport University Cologne.
Journal of Sport & Exercise Psychology
|May 6, 2021
Summary
More players near an offside situation in soccer reduce the accuracy of offside decisions. This crowding effect impacts referee performance, even when extra players are further away.
Area of Science:
- Sports Science
- Human Performance
- Soccer Officiating
Background:
- Offside decision-making in soccer is complex.
- Previous research has overlooked the impact of player proximity on offside calls.
Purpose of the Study:
- To investigate if the number of players near an offside situation influences the accuracy of offside decisions.
- To explore the relationship between player density and officiating performance.
Main Methods:
- Conducted three studies: one observational and two experimental.
- Varied the number of players present in simulated offside scenarios.
- Measured the accuracy of offside decisions made by participants.
Main Results:
- Increased player numbers negatively correlated with correct offside decision-making across all studies.
- The precise relationship varied, but a consistent decline in accuracy was observed.
- A negative impact on decision quality persisted even when additional players were distant from the key offside line.
Conclusions:
- The number of players in proximity to an offside situation significantly impairs decision-making accuracy.
- A 'crowding effect' is a likely mechanism explaining performance degradation.
- Future research should consider player density in offside analysis.
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