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Learn how obsolescence affects people, planet and profit, and how IB Design Technology students should evaluate responsible design clearly in exams.
Read the answerLearn what inclusive design means in IB Design Technology, how it reduces user exclusion, and how to distinguish it from accessibility in exams.
Learn how inclusive design removes physical, sensory, and cognitive barriers through accessible features, user diversity, and iterative testing in IB DT.
Understand why 50th-percentile anthropometric data can exclude users, and how inclusive design uses extremes, ranges, adjustability and user testing.
Learn how design for extremes supports inclusive design by addressing users at the limits of ability, size or context, with IB exam examples.
Learn how designing for extreme users exposes barriers, supports inclusive design, and improves accessibility and usability for the wider population.
Learn how the four-pleasure framework evaluates socio-, physio-, psycho-, and ideo-pleasure in IB Design Technology HL exam responses.
Learn how designers apply physio-, socio-, psycho- and ideo-pleasure to trigger emotional responses in IB Design Technology HL product design for exams.
Learn how the ACT model links attract, converse and transact to desirability, usability and usefulness in IB Design Technology HL exam responses.
Learn how the ACT model links attract, converse and transact with desirability, usability, usefulness and emotional responses in IB Design Technology HL.
Learn how design for sustainability minimizes environmental and social impacts across a product's life cycle while supporting long-term economic viability.
Learn Datschefski's five sustainable design principles, cyclic, solar, safe, efficient and social, with examples and practical exam guidance for IB students.
Learn how the triple bottom line evaluates people, profit, and planet in IB Design Technology, with clear examples and exam-ready application guidance.
Learn how IB Design Technology designers balance people, planet and profit using life-cycle analysis, stakeholder needs and sustainable design decisions.
Learn how circular and linear economies differ through material flows, waste, design strategies, and key concepts assessed in IB Design Technology exams.
Explain how designers eliminate waste and pollution through longevity, upgradability and disassembly in IB Design Technology circular economy questions.
Learn why biodegradable materials can support biological cycles, reduce persistent waste, and enable circular design in IB Design Technology C2.2.
Learn how take-back legislation makes producers recover end-of-life products and materials, supporting circular economy strategies in IB Design Technology.
Learn why renewable energy is essential to a circular economy and how it supports closed material loops, lower emissions, and regenerative design.
Learn how product analysis examines function, users, materials, manufacture and sustainability to support evidence-based IB design decisions.
Learn how users, manufacturers, and engineers contribute distinct evidence and criteria to product analysis in IB Design Technology C3.1 exam answers.
Learn to conduct a product SWOT analysis using evidence and separate internal strengths and weaknesses from external opportunities and threats in IB DT.
Learn how testing measures product performance and reverse engineering reveals function, construction, materials, and improvements in IB Design Technology.
Learn how IB Design Technology students compare competing products using objective criteria, user evidence, and benchmarks to identify design improvements.
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