University Project
Safaricart: Human Factors Project
Safaricart: Human Factors Project
Usability evaluation and redesign project
Usability evaluation and redesign project
Usability evaluation and redesign project
Year:
2024
Project Duration :
24
Project :
Legacy Project
Project Background:
SafariSeat, developed by TAI (The Accessibility Institute) is an accessible wheelchair designed for hard wearing, low resource environments, where reliability is the most valuable feature after functionality.
TAI have designed an assistive commerce transportation solution, SafariCart, enabling a person with disabilities to generate income. The project aim was to evaluate the usability of SafariCart to aid the development of further iterations of SafariCart.
Having interacted with SafariCart and made some initial judgements, the door mechanisms and drawers were selected to be the focus of the project.
Any usability issues were categorised into groups using heuristics, or guidelines for evaluating usability. A range of heuristics were critiqued and the most fitting were qualified and used to inform a selection of tasks. These tasks amplified user interactions and created a network of heuristic violations.
Individuals with specialisation in relevant areas were asked to aid in the project by identifying strengths, weaknesses, successes, and failures in relation to the heuristics.
After these evaluations, further work could categorise the usability issues to inform a direction for improvement.
Evaluation:
A group of 5 experts completed an evaluation of the usability of the SafariCart based on selected Heuristics. One evaluation was undertaken by a colleague who used equipment to simulate the experience of the LEE (Lived experience expert).
Insights:
The experts were briefed and given all relevant context to undertake the evaluation. A feedback session followed in which the issues highlighted by the expert was recorded and categorised by heuristic. All results were tabulated and ranked using risk factors. The risk factor is calculated by multiplying the severity of the problem by the number of experts who identified the problem, then multiplying the severity by the number of tasks, and finally multiplying the two numbers to get the result. The greater the outcome, the higher the risk of this problem. This provided a clear hierarchy of results that informed a direction for improvement.
Design Iteration & Development:
Having understood the main usability issues and their relative severity, several brainstorm sessions were conducted. Each concept was developed and reasoned by how it addresses a particular heuristic/group of heuristics.
Many individual concepts tackled 1 specific area of SafariCart that the experts had pinpointed, so when creating a final design, it was important to combine aspects of multiple concepts so as to address as many issues as possible, while still ensuring the design remained relatively simple.
Portfolio Slides
More Projects
University Project
Safaricart: Human Factors Project
Safaricart: Human Factors Project
Usability evaluation and redesign project
Usability evaluation and redesign project
Usability evaluation and redesign project
Year:
2024
Project Duration :
24
Project :
Legacy Project
Project Background:
SafariSeat, developed by TAI (The Accessibility Institute) is an accessible wheelchair designed for hard wearing, low resource environments, where reliability is the most valuable feature after functionality.
TAI have designed an assistive commerce transportation solution, SafariCart, enabling a person with disabilities to generate income. The project aim was to evaluate the usability of SafariCart to aid the development of further iterations of SafariCart.
Having interacted with SafariCart and made some initial judgements, the door mechanisms and drawers were selected to be the focus of the project.
Any usability issues were categorised into groups using heuristics, or guidelines for evaluating usability. A range of heuristics were critiqued and the most fitting were qualified and used to inform a selection of tasks. These tasks amplified user interactions and created a network of heuristic violations.
Individuals with specialisation in relevant areas were asked to aid in the project by identifying strengths, weaknesses, successes, and failures in relation to the heuristics.
After these evaluations, further work could categorise the usability issues to inform a direction for improvement.
Evaluation:
A group of 5 experts completed an evaluation of the usability of the SafariCart based on selected Heuristics. One evaluation was undertaken by a colleague who used equipment to simulate the experience of the LEE (Lived experience expert).
Insights:
The experts were briefed and given all relevant context to undertake the evaluation. A feedback session followed in which the issues highlighted by the expert was recorded and categorised by heuristic. All results were tabulated and ranked using risk factors. The risk factor is calculated by multiplying the severity of the problem by the number of experts who identified the problem, then multiplying the severity by the number of tasks, and finally multiplying the two numbers to get the result. The greater the outcome, the higher the risk of this problem. This provided a clear hierarchy of results that informed a direction for improvement.
Design Iteration & Development:
Having understood the main usability issues and their relative severity, several brainstorm sessions were conducted. Each concept was developed and reasoned by how it addresses a particular heuristic/group of heuristics.
Many individual concepts tackled 1 specific area of SafariCart that the experts had pinpointed, so when creating a final design, it was important to combine aspects of multiple concepts so as to address as many issues as possible, while still ensuring the design remained relatively simple.
Portfolio Slides
More Projects
University Project
Safaricart: Human Factors Project
Safaricart: Human Factors Project
Usability evaluation and redesign project
Usability evaluation and redesign project
Usability evaluation and redesign project
Year:
2024
Project Duration :
24
Project :
Legacy Project
Project Background:
SafariSeat, developed by TAI (The Accessibility Institute) is an accessible wheelchair designed for hard wearing, low resource environments, where reliability is the most valuable feature after functionality.
TAI have designed an assistive commerce transportation solution, SafariCart, enabling a person with disabilities to generate income. The project aim was to evaluate the usability of SafariCart to aid the development of further iterations of SafariCart.
Having interacted with SafariCart and made some initial judgements, the door mechanisms and drawers were selected to be the focus of the project.
Any usability issues were categorised into groups using heuristics, or guidelines for evaluating usability. A range of heuristics were critiqued and the most fitting were qualified and used to inform a selection of tasks. These tasks amplified user interactions and created a network of heuristic violations.
Individuals with specialisation in relevant areas were asked to aid in the project by identifying strengths, weaknesses, successes, and failures in relation to the heuristics.
After these evaluations, further work could categorise the usability issues to inform a direction for improvement.
Evaluation:
A group of 5 experts completed an evaluation of the usability of the SafariCart based on selected Heuristics. One evaluation was undertaken by a colleague who used equipment to simulate the experience of the LEE (Lived experience expert).
Insights:
The experts were briefed and given all relevant context to undertake the evaluation. A feedback session followed in which the issues highlighted by the expert was recorded and categorised by heuristic. All results were tabulated and ranked using risk factors. The risk factor is calculated by multiplying the severity of the problem by the number of experts who identified the problem, then multiplying the severity by the number of tasks, and finally multiplying the two numbers to get the result. The greater the outcome, the higher the risk of this problem. This provided a clear hierarchy of results that informed a direction for improvement.
Design Iteration & Development:
Having understood the main usability issues and their relative severity, several brainstorm sessions were conducted. Each concept was developed and reasoned by how it addresses a particular heuristic/group of heuristics.
Many individual concepts tackled 1 specific area of SafariCart that the experts had pinpointed, so when creating a final design, it was important to combine aspects of multiple concepts so as to address as many issues as possible, while still ensuring the design remained relatively simple.