3.2.1 Physical Condition
This first aspect is an obligation for a referee and an
assistant referee before they will be on duty. They
must pass a physical test before the competition, if
they do not pass the physical test then they are not
allowed to lead a match. In the Indonesian league, any
referee who will be involved in the competition must
follow referees conducted by PSSI, every referee
must follow the activity if they want to serve in
League 1 Indonesia. The function of physical ability
itself in the performance of the referee is that the
referee must always move in the game and strive to
always close to the event so that the decision given
will be accurate, besides the referee and the assistant
referee must always move in a match following the
game and asked not far from the incident. (Mallo,
Navarro, Garcia-Aranda, and Helsen, 2009). The
referee must find the right point of view to decide an
event, so the referee must be strived to move if his
position is obstructed. For the assistant referee in the
offside determination, the assistant referee must have
a good point of view between parallel to the last two
defenders, following where the ball will be played,
where the starting position of the attacker will touch
the ball and where the ball will be played (Catteeuw
et al: 2010). In the author's observation of the position
of the referee in every decision, especially when the
counterattack is very far from the event that resulted
in the decision becomes doubt. In addition to the
assistant referee is often left behind or not aligned
with the last two defenders, although the decision is
true, and the assistant referee who was too hasty in
deciding an event, but who will control the ball is a
player who is not in an offside position. This becomes
an issue that must be fixed by Indonesian football
organizations.
3.2.2 Psychological
In psychological terms it is associated with a threat to
referees that occur before, during, and after the game.
In this case the threat that is often experienced by
football referees in Indonesia is the presence of a
pressure from the audience, players, and official. A
referee who has experienced a threat will affect
psychological, concentration, performance, and
motivation so that the decisions taken will be
inaccurate. (Coakley, 1994). A threat or pressure
experienced by the referee is divided into two forms:
physical and verbal, (Folkesson, Nyberg, Archer, and
Norlander, 2002). Many improvements made by PSSI
and the opponents of the New Indonesia league to
anticipate the threat factor made by players, coaches,
managers, and also the audience to referees and
assistant referees, namely by issuing strict rules on
threats to referees, the result is in Liga 1 Indonesia
decreasing the level of physical threats made by
players, coaches, official and spectators to the referee.
But verbal threats are still often experienced by
referees, both from players, coaches, and spectators.
In addition to the existence of an external threat, the
motivation in the self affects the referee itself, a
referee who has his own desire to become a referee
will have better self-control, compared to the referee
who is motivated because of their economic factors
will be forced in duty and will even affect its
performance (Dohmen, 2008).
Understanding the rules of the game is a must for
a referee, how an umpire will decide a problem if he
does not control the rules. Football rules every year
there is always a change, so referees and assistant
referees should always update the latest regulations.
Regarding this understanding, not only the referee
who must master, but the coach, players, spectators
must master and know the rules that apply, so that
there will be mutual respect between professions. One
study says that the understanding of the rules of game
players, coaches, spectators, media and related
components of football is very low (Gilis, B., Helsen,
W., Catteeuw, P., Van Roie, E., and Wagemans, J.
2009 ).
4 CONCLUSIONS
From the results of the research that has been done, it
can be concluded that the decision of the referee in
leading football match in Liga 1 Indonesia on article
12 or violation and unsportsmanlike behavior has a
relatively small bias value, while the assistant referee
on article 11 or offside obtained the very low score of
bias.
REFERENCES
Catteeuw, P., Helsen, W., Gilis, B., Wagemans, J. 2009.
Decision-making skills, role specificity, and deliberate
practice in association football refereeing. Journal of
Sports Sciences, 27, 1125–1136.
Catteeuw, P., Gilis, B., Wagemans, J., Helsen, W. 2010.
Offside decision making of assistant referees in the
English Premier League: Impact of physical and
perceptual-cognitive factors on match performance.
Journal of Sports Sciences, 28, 471–481.
Catteeuw, P., Gilis, B., Wagemans, J., Helsen, W. 2010c.
Perceptual-cognitive skills in offside decision making:
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