Final answer:
Joint accountability is the concept that all members of a project team can offer a contrary position to achieve true partnership between the project manager and the team. It emphasizes the importance of open communication and collaboration within a team, fostering a sense of equality and mutual respect.
Step-by-step explanation:
The idea that all members of a project team can offer a contrary position in order to achieve true partnership between the project manager and the team is called Joint accountability. Joint accountability emphasizes the importance of open communication and collaboration within a team, where everyone is encouraged to share their perspectives and challenge ideas to arrive at the best possible solution. This approach fosters a sense of equality and mutual respect, promoting a more effective and innovative team dynamic.