What should a referee do if a player shows dissent towards a decision?

When a player shows dissent towards a referee's decision, the most appropriate action is to give them a warning and explain the decision. This addresses the player's concerns and helps maintain communication and respect on the field. Dissent can disrupt the flow of the game, but directly ignoring it may lead to further escalation. By providing a brief explanation, you can clear up any misunderstandings while reinforcing the authority of the referee.

In some situations, if dissent continues or escalates after the warning, a more serious disciplinary action may be warranted. However, the initial response should be to engage with the player constructively, rather than resorting to penalties that could negatively impact the game or the player's experience.