Alexa and David are managers of different sales teams. Together, they decide to have a competition between teams to see who can bring in the most new clients this month. To increase the sense of competition, they create spirit days where they wear team colors (Alexa's team: blue, David's black), strategize ways to beat the other group, and keep a running total of who is winning on a white board. Alexa and David are employingto increase productivity. A. Social identity theory.
B. Parasocial interaction theory.
C. Leader-member exchange theory.
D. Vigilant interaction theory.
E. Expectancy theory.

D. Vigilant interaction theory

Explanation:

It is correct to say that Alexa and David are employing the theory of vigilant interaction to increase productivity.

This theory is related to the team's decision-making process, that is, its objective is the integration and collaboration of the entire group with innovative and creative contributions that help in solving problems, helping in a more effective decision-making that contributes for the positive end result of the team.

Therefore, when using the strategy of increasing the sense of competition in the teams, managers seek the theory of vigilant interaction so that the final result and the goals of the teams are achieved.

answerall of these;

answer(d) all of the choices are correct;