public function updateStatus(Avaliador $avaliador)
 {
     $sql = "UPDATE {$this->table} SET status = :status WHERE fk_usuario = :id";
     $id = $avaliador->getFkUsuario();
     $status = $avaliador->getStatus();
     $stmt = ConnectionFactory::prepare($sql);
     $stmt->bindParam(':id', $id);
     $stmt->bindParam(':status', $status);
     return $stmt->execute();
 }