During which stage of team development do team members attempt to jockey for power, ask many questions and establish dubious goals?

Answer: storming stage of team development

Explanation:

The storming stage happens to be second stage of team development others being forming, norming, adjourning.

The storming stage is when the individuals on the team gets to know each other well, everyone wants to show his / her individual ability, power tussle is remarkable obvious at this stage. personal interest is elevated at this stage above team goals which may lead to setting of personal dubious goals. egoes are high up in the room during this stage while weakness and strenght of team members are revealed.