Marissa, the leader of a small team, was getting frustrated with her team because they had been coming into work later and later. As she started to think about how to solve the problem, Marissa realized that she was often not arriving until $10$ am herself. Marissa challenged herself to start arriving each day by $9$ am instead. She then led a discussion at the next team meeting about what she had decided and why. What strategy did Marissa use to encourage her team to get to work earlier?

refining personal change capacity

threatening punishment for bad behavior

generating a change culture at the enterprise level

supporting change at the project level