Notes for A1.1.4 Adjustability and range of sizes - IB | RevisionDojo
A1.1.4 Adjustability and range of sizes Notes
Understanding Adjustability and Range of Sizes
Adjustability
Definition
Adjustability
Adjustability is the ability of a product to change in size or form to suit a wider range of user sizes or percentiles, improving comfort, fit, and usability.
Allows one product to serve multiple users, reduces cost, promotes longevity
Allows users to tailor products to their preferences.
Makes products suitable for multiple environments or tasks - versatility.
Extends product lifespan by adapting to changing user needs.
Challenges of Adjustability
Complexity: can increase manufacturing costs and design complexity.
Durability: moving parts may wear out faster or weakened structural integrity
Aesthetics: appear overengineered or bulky
Example
Office Chairs: Adjustable height, armrests, and lumbar support.
Bicycles: Adjustable seat and handlebar heights.
WaveCell adjustable bicycle helmet
Range of Sizes
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Note
Introduction to Adjustability
DefinitionAdjustabilityThe ability of a product to change in size or form to suit different users or situations
Allows one product to serve multiple users
Enhances user comfort and experience
Increases product versatility
ExampleOffice chairs with adjustable height and armrests
AnalogyThink of adjustability like a Swiss Army knife - one tool that can adapt to many tasks
NoteAdjustability can be applied to both physical dimensions and functional settings
