Common Motion Types

The Three Motion Families

While BP motions cover an enormous range of topics, they fall into three broad categories that experienced debaters learn to recognize instantly. Each category demands a different strategic approach, and misreading the motion type is one of the most common causes of poor performance.

Policy motions begin with 'This House would' and ask whether a specific action should be taken. 'This House would ban factory farming,' 'This House would introduce a universal basic income,' 'This House would abolish NATO.' These motions require concrete analysis of how the policy works, who it affects, and whether the outcomes are desirable.

Values motions begin with 'This House believes that' and ask debaters to defend or attack a proposition about how the world is or should be. 'This House believes that nationalism does more harm than good,' 'This House believes that capitalism is incompatible with environmental sustainability.' These require more abstract argumentation about principles, definitions, and worldviews.

Actor motions specify who should act and evaluate their behavior. 'This House, as a developing nation, would reject IMF loans,' 'This House, as the feminist movement, would not engage with religious institutions.' These require debaters to adopt the perspective and interests of a specific actor.

Tailoring Your Strategy

Each motion type rewards different kinds of analysis. For policy motions, the government's primary burden is to show the policy works — that it achieves its goals, is practically implementable, and produces net positive outcomes. Opposition attacks the mechanism, identifies unintended consequences, and may propose alternatives. The debate is often won on specificity: teams that can explain exactly how the policy functions at a granular level are more persuasive than those who remain abstract.

For values motions, the debate shifts to frameworks and definitions. What does 'more harm than good' mean? How do we measure it? Who gets to define it? The team that establishes the most compelling framework for evaluating the proposition usually wins, because the framework determines which arguments count and which are irrelevant.

For actor motions, debaters must genuinely adopt the actor's perspective. If the motion says 'This House, as a developing nation, would...,' your arguments must be grounded in what is actually beneficial for developing nations, not what sounds good from a Western liberal perspective. Understanding the actor's real-world constraints, values, and strategic position is essential.