Practice IB Design Technology (DT) Topic 1.1b Psychological Factors with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for 1.1b Psychological Factors and mirrors Paper 1, 2, 3 style where relevant.
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A product designer is conducting a sensory evaluation of different surface finishes for a luxury vehicle's interior. Participants are asked to classify a set of leather samples into distinct groups based on their specific grain pattern (e.g., 'Pebbled', 'Smooth', 'Cross-hatched', 'Perforated').
Which type of psychological data scale is being utilized in this classification task?
A pilot fails to notice a blinking warning light on a cockpit instrument panel because the light is positioned outside their primary field of view. Which stage of the human information processing system has failed in this scenario?
Zuperzozial is a Dutch company that manufactures a range of kitchenware (plates, cups, serving utensils, and vessels) from biodegradable bioplastic that is made from renewable resources (such as, corn, sugar cane and grain), see Figure 14.
The environmentally conscious kitchenware is stylish and durable. It also has a similar weight, feel, performance and dimensions to existing ceramic products. Zuperzozial are distributing their product through specialist kitchen stores, where they are displayed alongside conventional kitchenware. Zuperzozial needs to sell the kitchenware at a slightly higher cost than conventional kitchenware to recover the cost of the new technology used to manufacture using bioplastics.
Outline one psychological factor the Zuperzozial kitchenware’s designers need to consider.
Explain one advantage of using Finite element analysis (FEA) and one advantage of using physical models for testing the Zuperzozial kitchenware.
Explain one physical property that the material used in the Zuperzozial kitchenware needs to possess.
Explain how Rogers’ characteristics of relative advantage, compatibility and observability help in the diffusion of the Zuperzozial kitchenware.
A manufacturer conducted a study to evaluate the impact of environmental conditions on quality control. The results for a component inspection task are recorded in the table below.
| Illumination Level (lux) | Inspection Accuracy (%) |
|---|---|
| 50 | 61 |
| 300 | 93 |
| 600 | 94 |
Which stage of human information processing is most significantly limited by the 50 lux lighting condition?
An ergonomics specialist is classifying office workers based on their dominant hand (left-handed or right-handed) to study workstation layouts. Which type of measurement scale is being used for this data?