Your question asks what Shawn is experience during his organization's meetings.
The reason why answer choice "B). Situation strength theory" is the correct answer because the situation that Shawn is experiencing best fits the description of the Situation strength theory.
In the situation strength theory, it says that behaviors can occur because of a specific environment, and that is what is happening in this question.
The environment that Shawn is in shows a strength in sharing ideas and is highly involved in the decision processes of the organization. Because of this environment, Shawn's behavior has transitioned in order to meet the level of behavior that he is experiencing in the environment.
This is the reason why Shawn's behavior changed from being a not-so talkative person to sharing the ideas for the organization
