IB Design Technology Topic C1.2.1 Inclusive Design…

Inclusive Design: One Product, the Widest Possible Audience

Note

Inclusive design and universal design describe the same ambition: one product that works for as many people as possible.
It is not about building a separate "special" version for disabled users.
A separate version usually costs more, works worse, and singles people out, so the goal is a single design that nobody has to ask for an exception to.

The Seven Principles of Inclusive Design

Equitable Use: Design should be useful and appealing to people with diverse abilities.
Flexibility in Use: Accommodate a wide range of individual preferences and abilities.
Simple and Intuitive: Make the design easy to understand, regardless of the user's experience or knowledge.
Perceptible Information: Communicate necessary information effectively, using multiple modes (e.g., visual, auditory, tactile).
Tolerance for Error: Minimize the risk of accidents or errors by providing fail-safes and warnings.
Low Physical Effort: Design should be usable with minimal fatigue.
Size and Space for Approach and Use: Provide appropriate space for access, reach, and use, regardless of the user's body size or mobility.

Who Inclusive Design Has to Serve

Impairment is not a fixed category. Some of it is permanent, some is temporary, and some is simply the situation you happen to be in.

Physical impairments (e.g., mobility limitations, arthritis)
Sensory impairments (e.g., visual or hearing loss)
Cognitive impairments (e.g., dyslexia, memory loss)
Temporary impairments (e.g., a broken arm, recovery from surgery)
Situational limitations (e.g., using a phone in bright sunlight or with one hand)

Why Inclusive Design Is Worth the Effort

Social Responsibility: Promotes equality and inclusivity by removing barriers to access.
Legal Compliance: Many countries have laws and regulations mandating accessibility in design.
Market Expansion: By catering to a broader audience, inclusive design can increase market reach and customer satisfaction.

Inclusive Design in Real Products

Microsoft's Xbox Adaptive Controller: Designed for gamers with limited mobility, it features large buttons and customisable inputs.
Apple's VoiceOver: A screen reader built into iOS devices, allowing visually impaired users to navigate apps and websites.
Nike Go FlyEase: A hands-free shoe that can be put on and taken off without using your hands, ideal for people with limited mobility, but also convenient for everyone.

Inclusive Design You Never Notice

Example

Things You May Not Even Notice Are Inclusive Designs

Tactile paving at crosswalks and train stations helps visually impaired individuals navigate safely.
Curb ramps make sidewalks accessible not just for wheelchair users, but also for parents with strollers and travelers with luggage.
Closed captions on public TVs support people with hearing impairments—and anyone in a noisy space.
High-contrast signage improves readability for people with low vision or dyslexia.

Example question

A manufacturer is designing a domestic microwave oven intended for use in shared student accommodation, where users vary widely in age, language and ability.

Discuss how three principles of inclusive design would shape the design of the microwave. (6 marks)

Solution

Award [1] for each principle correctly named and [1] for applying it to the microwave, up to [6 max]. A principle named but not applied to the product scores [1] only.

Perceptible information. [1] The oven signals that it has finished with a beep, a light and a display, so a user who cannot hear the beep still gets the message. [1]
Simple and intuitive use. [1] A single dial and a large start button, rather than twenty preset buttons, means a user can operate it without reading a manual or being fluent in the language on the panel. [1]
Low physical effort. [1] A door that opens with a light push rather than a firm pull means a user with reduced grip strength can still open it. [1]
Accept also: tolerance for error (the oven will not run with the door open, and a mis-set time can be cancelled with one press) [2]; size and space for approach and use (controls placed low enough on the fascia to be reached from a seated position) [2]; equitable use (every user opens the same door in the same way, with no separate accessible mode) [2].

Active recall

Define inclusive design in one sentence.
List the seven principles of inclusive design.
Distinguish between a permanent, a temporary and a situational impairment, giving one example of each.
Which principle is a screen reader such as VoiceOver an example of?
Give one commercial reason, not a moral one, for designing inclusively.

Inclusive Design: One Product, the Widest Possible Audience

Note

Inclusive design and universal design describe the same ambition: one product that works for as many people as possible.
It is not about building a separate "special" version for disabled users.
A separate version usually costs more, works worse, and singles people out, so the goal is a single design that nobody has to ask for an exception to.

The Seven Principles of Inclusive Design

Equitable Use: Design should be useful and appealing to people with diverse abilities.
Flexibility in Use: Accommodate a wide range of individual preferences and abilities.
Simple and Intuitive: Make the design easy to understand, regardless of the user's experience or knowledge.
Perceptible Information: Communicate necessary information effectively, using multiple modes (e.g., visual, auditory, tactile).
Tolerance for Error: Minimize the risk of accidents or errors by providing fail-safes and warnings.
Low Physical Effort: Design should be usable with minimal fatigue.
Size and Space for Approach and Use: Provide appropriate space for access, reach, and use, regardless of the user's body size or mobility.

Who Inclusive Design Has to Serve

Impairment is not a fixed category. Some of it is permanent, some is temporary, and some is simply the situation you happen to be in.

Physical impairments (e.g., mobility limitations, arthritis)
Sensory impairments (e.g., visual or hearing loss)
Cognitive impairments (e.g., dyslexia, memory loss)
Temporary impairments (e.g., a broken arm, recovery from surgery)
Situational limitations (e.g., using a phone in bright sunlight or with one hand)

Why Inclusive Design Is Worth the Effort

Social Responsibility: Promotes equality and inclusivity by removing barriers to access.
Legal Compliance: Many countries have laws and regulations mandating accessibility in design.
Market Expansion: By catering to a broader audience, inclusive design can increase market reach and customer satisfaction.

Inclusive Design in Real Products

Microsoft's Xbox Adaptive Controller: Designed for gamers with limited mobility, it features large buttons and customisable inputs.
Apple's VoiceOver: A screen reader built into iOS devices, allowing visually impaired users to navigate apps and websites.
Nike Go FlyEase: A hands-free shoe that can be put on and taken off without using your hands, ideal for people with limited mobility, but also convenient for everyone.

Inclusive Design You Never Notice

Example

Things You May Not Even Notice Are Inclusive Designs

Tactile paving at crosswalks and train stations helps visually impaired individuals navigate safely.
Curb ramps make sidewalks accessible not just for wheelchair users, but also for parents with strollers and travelers with luggage.
Closed captions on public TVs support people with hearing impairments—and anyone in a noisy space.
High-contrast signage improves readability for people with low vision or dyslexia.

Example question

A manufacturer is designing a domestic microwave oven intended for use in shared student accommodation, where users vary widely in age, language and ability.

Discuss how three principles of inclusive design would shape the design of the microwave. (6 marks)

Solution

Award [1] for each principle correctly named and [1] for applying it to the microwave, up to [6 max]. A principle named but not applied to the product scores [1] only.

Perceptible information. [1] The oven signals that it has finished with a beep, a light and a display, so a user who cannot hear the beep still gets the message. [1]
Simple and intuitive use. [1] A single dial and a large start button, rather than twenty preset buttons, means a user can operate it without reading a manual or being fluent in the language on the panel. [1]
Low physical effort. [1] A door that opens with a light push rather than a firm pull means a user with reduced grip strength can still open it. [1]
Accept also: tolerance for error (the oven will not run with the door open, and a mis-set time can be cancelled with one press) [2]; size and space for approach and use (controls placed low enough on the fascia to be reached from a seated position) [2]; equitable use (every user opens the same door in the same way, with no separate accessible mode) [2].

Active recall

Define inclusive design in one sentence.
List the seven principles of inclusive design.
Distinguish between a permanent, a temporary and a situational impairment, giving one example of each.
Which principle is a screen reader such as VoiceOver an example of?
Give one commercial reason, not a moral one, for designing inclusively.

IB Design Technology Topic C1.2.1: Inclusive Design Notes

IB Design Technology Topic C1.2.1: Inclusive Design Notes

Inclusive Design: One Product, the Widest Possible Audience

The Seven Principles of Inclusive Design

Who Inclusive Design Has to Serve

Why Inclusive Design Is Worth the Effort

Inclusive Design in Real Products

Inclusive Design You Never Notice

Inclusive Design: One Product, the Widest Possible Audience

The Seven Principles of Inclusive Design

Who Inclusive Design Has to Serve

Why Inclusive Design Is Worth the Effort

Inclusive Design in Real Products

Inclusive Design You Never Notice

A. Design in theory

B. Design in practice

C. Design in context

A. Design in theory

B. Design in practice

C. Design in context

IB Design Technology Topic C1.2.1: Inclusive Design Notes

IB Design Technology Topic C1.2.1: Inclusive Design Notes

Inclusive Design: One Product, the Widest Possible Audience

The Seven Principles of Inclusive Design

Who Inclusive Design Has to Serve

Why Inclusive Design Is Worth the Effort

Inclusive Design in Real Products

Inclusive Design You Never Notice

Inclusive Design: One Product, the Widest Possible Audience

The Seven Principles of Inclusive Design

Who Inclusive Design Has to Serve

Why Inclusive Design Is Worth the Effort

Inclusive Design in Real Products

Inclusive Design You Never Notice