What is heuristic analysis, how is it performed, and what are its applications in UI & UX?
Before launching a digital product, it's essential to conduct numerous tests to identify and fix errors, ultimately delivering the best possible user experience. Today, we'll explore one of the most widely used tests: heuristic analysis.
What is a heuristic analysis?
A heuristic analysis is a method used during product development to find usability problems in user interface design and is part of an iterative design process.
A heuristic analysis requires a small group of experts who evaluate the product's user interface design according to recognized usability principles, called heuristic principles.
Nielsen's 10 Heuristic Principles
These principles were developed by Jakob Nielsen and Rolf Molich in 1990 and although there are numerous variations today, they are still considered an excellent starting point for conducting heuristic analyses.
1. Visibility of system status
The system should always keep users informed about what is happening through appropriate feedback within a reasonable timeframe.
2. Match between the system and the real world
It uses words, phrases, and concepts familiar to the user . To do this, it follows real-world conventions, making the information appear in a logical and natural order.
3. Freedom and control by the user
It's common for users to make mistakes or errors, so it's essential to have a visible emergency exit. This offers options such as undo, redo, delete, edit, or cancel.
4. Consistency and standards
Users shouldn't have to wonder what every word, situation, or action in the user interface means. Follow the conventions of each platform and industry.
5. Error Prevention
Avoid errors by eliminating the conditions that favor their occurrence , checking for their existence before the user performs a certain action, and offering a confirmation message/option before executing it.
6. Recognition instead of remembrance
Human memory is limited. Reduce the information users need to remember by making elements, actions, and options visible across interface screens and by offering contextual help.
7. Flexibility and efficiency of use
The interface we design will be used by both expert and novice users . The use of accelerators such as keyboard shortcuts and touch gestures, as well as the ability to create custom configurations, will allow us to meet the needs of both types of users.
8. Minimalist aesthetics and design
User interfaces should not contain irrelevant information, as each element of an interface competes with the rest for the user's attention, decreasing its visibility and distracting the user.
9. It helps users recognize, diagnose, and recover from errors
Error messages should be expressed in plain language, not using an error code, accurately indicating the error and helping the user solve their problem by suggesting solutions.
10. Help and documentation
Sometimes the information provided in the interface may be insufficient, making it necessary to offer users extended support through a help service, FAQs, or documentation to assist them in completing their tasks. Whatever solution is adopted, it must be easy to find and navigate, providing contextual information and detailing the steps to follow.
Apple's help lists and illustrates the steps to follow and allows the user to expand on specific topics.
How to perform a heuristic analysis
Plan and define the analysis you are going to perform
Before beginning the heuristic analysis, it's essential to establish the object of the analysis. Are you going to analyze a website, a page, an app, a process, etc.? Then define the heuristic principles you will follow and choose a small group of experts to carry out the evaluation . You can use wireframes, mockups, or prototypes to perform the analysis.
List the problems and explain why they are problems.
In a document , compile and list all the usability problems found during the analysis and describe why they do not follow the selected heuristic principles . Try to describe the problem clearly and concisely and attach audiovisual material if necessary.
Evaluate the severity and ease of resolution
There are multiple evaluation systems , ranging from a numerical system from 0 to 4, as Nielsen indicates , to a color code. You can perform a superficial assessment of the detected problem or go into detail, also evaluating its frequency, impact, and persistence.
Recommendations on how to solve the problems
Just as important as identifying usability problems is offering recommendations and potential solutions to the issues identified by the evaluators during the heuristic analysis. Whenever possible, provide several solutions.
Prioritize the problems and start an iterative design process
Establish a priority order, indicating which problems you need to address first . Consider the evaluators' feedback and discuss this with your Project Manager and design team to begin correcting the identified errors, implementing necessary improvements, and re-evaluating the interface.
This article was originally published on “ marketing4ecommerce.mx ”. You can read the original article here.
