Work detail

Consequences of Implementation of Video Assistant Referee in Fortuna Liga

Author: Bc. Ondřej Habáň
Year: 2022 - summer
Leaders: prof. PhDr. Ladislav Krištoufek Ph.D.
Consultants:
Work type: Bachelors
Language: English
Pages: 115
Awards and prizes: Nomination Deloitte Outstanding Thesis Award.
Link: https://dspace.cuni.cz/handle/20.500.11956/173481
Abstract: The thesis deals with the issue of the Video Assistant Referee in football. It
evaluates the consequences of its implementation in Czech Fortuna Liga on the
sample of 678 matches held during two and half seasons. The results from the
models designed to treat count data were compared with relevant literature.
In the form of both simple and multiple regression with additional control
variables was investigated the relationship between VAR and the set of matchchanging incidents, including yellow cards, red cards and penalty kicks, and the
relationship between VAR and errors of on-pitch referees. The terms presence
of VAR, VAR interventions and VAR as the whole were dierentiated. Whereas
a significant statistical association of VAR as the whole was not revealed for
yellow and red cards, a 56% increase in the number of penalties associated
with VAR as the whole significantly performed. Furthermore, the negative and
highly significant 118% association of the presence of VAR was reckoned in
the case of errors of on-pitch referees. Subsequently, the percentage decreased
due to VAR interventions, however, not suciently to reveal a negative and
significant association in errors of on-pitch referees for VAR as the whole. The
exception created errors based on factual decisions

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