Answer:
Conflict; speak up
Research suggests that when members feel confident to speak up without fear of punishment, conflict can be beneficial and boost team performance.
Explanation:
When you feel free to speak and when you know that your opinion and point of view would not be punished - on the contrary, it will be praised and respected, a talk can be made without problems. The confrontation of ideas - the conflict, in this case - will be healthy and well-conducted. In the end, all the members will feel that they will advance on the otherness process.