The stage of group development characterized by a lot of helping behavior among group members to achieve goals is the stage.

The stage of group development characterized by a lot of helping behavior among group members to achieve goals is the "performing stage."

In the performing stage, groups function optimally. Members have established a norm of collaboration and trust, allowing them to work effectively toward their shared objectives. This stage follows the earlier stages of forming, storming, and norming, where interpersonal relationships are developed and conflicts resolved. During performing, members are not only willing to assist each other, but they also take on collective responsibility for the group's success. They leverage each other’s strengths and skills, leading to high levels of productivity and creativity.

This stage is crucial for achieving peak performance, as the collaborative effort often leads to enhanced problem-solving and decision-making capabilities within the group. Overall, the performing stage is marked by synergy, where the group's effectiveness is greater than the sum of its individual members’ contributions.