Theory X and Theory Y describe two perspectives on human motivation in organizations. Theory X assumes that people dislike work and must be coerced through threats, while Theory Y assumes that people can exercise self-direction and seek responsibility if committed to organizational objectives. The Scanlon Plan is an example of Theory Y in practice, with cost-sharing and participation mechanisms to encourage employee involvement and commitment. An effective organization balances concerns for both relationships and production through trust-based accountability and a commitment to people as well as tasks.