Contingency management theory says there’s no one-size-fits-all approach — leaders must adapt strategies based on people, tasks and the environment.

More than 48 million Americans have struggled with a substance use disorder (SUD) over the last 12 months. Despite decades of research and treatment interventions, relapse rates remain stubbornly high ...

Giving a gift or a cash incentive to someone to give up an addiction sounds like a prize for behaving badly, but the practice works. The real challenge is deciding who should pay for it. Anna smokes ...