Strategic evaluation and control is the process of determining the effectiveness of an organization's strategy in achieving objectives and taking corrective actions when needed. It operates at both the strategic level, assessing consistency with the environment, and operational level, evaluating how well the strategy is being pursued. Participants in strategic evaluation include shareholders, directors, executives, managers, and auditors. Key aspects of the process include performance measurement, monitoring, and addressing barriers like limits of control, measurement difficulties, and resistance to evaluation. Performance is measured both quantitatively using metrics like profits and market share, and qualitatively considering consistency, advantage, and feasibility. Short-term thinking and goal displacement are challenges to effective performance measurement and monitoring.