Ben Rosenberg and Bret Levine are behavioral psychologists who study how people and teams interact with themselves, and also host "Head Games", a light-hearted podcast focused on using the psychology of human behavior to help explain current events in professional sports.

In this conversation, Evan Burk talks with Ben and Bret on the differences of situational and internal motivation, the methods to measure and increase team cohesion, and the importance of accepting roles in creating great team chemistry.

• 2:00 | Head Games: Ben + Bret backgrounds and how they first met

• 7:30 | The challenge of finding teams will to experiment

• 12:30 | Unseen traits of grit + persistence continually coming up on their podcast

• 17:00 | Situations + environments effecting players success or failure

• 19:45 | Team Chemistry and how to define it

• 24:30 | How do you measure team chemistry?

• 32:30 | How much effect one player can have on team cohesion

• 36:00 | Ways to increase team cohesion and the importance of accepting roles

• 40:30 | Teams that stand out in terms of teams chemistry

• 44:30 | What they've learned on their podcast over the past year?