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The home advantage is one of the best established phenomena in sports (Courneya & Carron, 1992), and crowd noise has been suggested as one of its determinants (Nevill & Holder, 1999). However, the psychological processes that mediate crowd noise influence and its contribution to the home advantage are still unclear. We propose that crowd noise correlates with the criteria referees have to judge. As crowd noise is a valid cue, referee decisions are strongly influenced by crowd noise. Yet, when audiences are not impartial, a home advantage arises. Using soccer as an exemplar, we show the relevance of this influence in predicting outcomes of real games via a database analysis. Then we experimentally demonstrate the influence of crowd noise on referees’ yellow cards decisions in soccer. Finally, we discuss why the focus on referee decisions is useful, and how more experimental research could benefit investigations of the home advantage.

We studied the influence of contextual factors and the referees’ own motor experience on the quality of their perceptual judgments. The theoretical framework combined the social cognition approach with the embodied cognition, and enabled us to determine whether judgments were biased or not by using a combination of contextual and internal factors. Sixty fully-qualified and aspiring judo referees were tested in a video-based decision-making task in which they had to decide when to stop the ground contact phase. The decision task differed depending on whether one contestant dominated the other or whether they were equal in the prior phase. Results indicated that the referees’ motor experience influenced perceptual judgments and interacted with contextual factors, enhancing the need for a combination of social and embodied cognition to explain biases in referees’ judgments. Practical considerations were discussed in this paper, such as, whether referees need recent motor experience and how this could influence rules of governing bodies for officiating.

In a study on penalty decisions in soccer, 115 participants made decisions as referees for each of 20 videotaped scenes from an actual match. In three scenes, defenders committed potential fouls in their penalty area. The first two scenes involved the same team and the third scene occurred in the opposite penalty area. Consistent with the assumption that judges’ initial decisions have an impact on later decisions, we found a negative correlation between participants’ successive penalty decisions concerning the same team, and a positive correlation between successive penalty decisions concerning first one and then the opposing team.

The influence of player gender on referees’ decision making was experimentally investigated. In Experiment 1, including 145 male handball referees, we investigated (a) the influence of referees’ level of expertise on their decisional biases against women and (b) the referees’ gender stereotypes. Results revealed that biases against women were powerful regardless of the referees’ level of expertise and that male referees’ stereotype toward female players tends to be negative. In Experiment 2, including 115 sport science students, we examined the influence of the participants’ gender, motivation to control bias, and time constraints on gender bias. Results indicated that participants’ gender had no impact on gender bias and that participants were able to reduce this bias in conditions in which they were motivated to control the bias.