Formative Evaluation Vs Summative Evaluation In Design
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Formative Evaluation Vs Summative Evaluation In Design
Formative evaluation and summative evaluation are two distinct types of assessment methods used in the design process. Formative evaluation is an ongoing, iterative process that takes place throughout the design and development stages, aiming to identify areas for improvement and gather feedback to refine the design. It involves collecting data from various sources, such as user testing, expert reviews, and stakeholder input, to assess the effectiveness, usability, and user satisfaction of a design solution. The primary goal of formative evaluation is to shape and enhance the design by identifying strengths, weaknesses, and potential issues early in the process, allowing designers to make necessary adjustments and improvements before the final implementation. On the other hand, summative evaluation occurs at the end of the design process or after the implementation of a design solution. Its purpose is to assess the overall effectiveness, impact, and success of the design in meeting its intended goals and objectives. Summative evaluation measures the final outcome against predefined criteria, such as user satisfaction, performance metrics, and business objectives. It provides a comprehensive assessment of the design's quality, value, and return on investment, helping stakeholders make informed decisions about the future of the design or its potential for scalability and replication. While formative evaluation is diagnostic and guides the design process, summative evaluation is judgmental and determines the ultimate merit and worth of the design. Fun fact: The terms formative and summative evaluation were first introduced by Michael Scriven, an American philosopher and evaluation theorist, in 1967.
User-centered design, iterative process, design assessment, continuous improvement
CITATION : "Taylor Williams. 'Formative Evaluation Vs Summative Evaluation In Design.' Design+Encyclopedia. https://design-encyclopedia.com/define/formative-evaluation-vs-summative-evaluation-in-design?E=436332 (Accessed on October 14, 2026)"
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