Effective & Intuitive
The field of user experience design can be a challenging one, with designers constantly striving to create effective and intuitive experiences for their users. To help guide designers in this pursuit, Jon Yablonski, a respected UX designer and educator, compiled a set of principles known as the Laws of UX. These laws, derived from research and best practices, provide valuable guidelines for designers seeking to craft superior user experiences.
1. Hick's Law
One such law is Hick’s Law, which stipulates that decision-making time increases with the complexity of choices. This underscores the significance of maintaining designs that are uncomplicated and direct, offering users clear and succinct options. Research has shown that users faced with an excessive number of choices often experience decision paralysis, leading to frustration and diminished user satisfaction.
By streamlining options and presenting choices in a straightforward manner, designers can mitigate cognitive overload and enhance the user experience. This principle finds application in various scenarios, such as e-commerce websites where simplified product variant choices expedite decision-making.
2. Fitts's Law
Fitts’s Law, another foundational principle, establishes that the time taken to reach a target depends on its distance and size. This principle is supported by empirical data that demonstrates how users’ interaction time decreases as target size increases and the distance to the target decreases.
Designers can leverage this law to strategically position interactive elements. For instance, in mobile apps, placing frequently used buttons within easy reach of users’ natural thumb movement aligns with this law and elevates user convenience.
3. Jakob's Law
Jakob’s Law elucidates that users spend the majority of their online time on familiar websites, thereby expecting similar usability across different platforms. This principle has been substantiated through user studies that highlight the significance of consistent design patterns.
By adhering to familiar layouts and interactions, designers can establish a sense of comfort and facilitate smoother navigation for users. Employing recognizable patterns, like a top-placed navigation menu or a recognizable hamburger icon for menu access, enhances user engagement, as users intuitively grasp the interface.
4. Law of Common Region
The Law of Common Region proposes that proximity influences the perceived relationship between elements. Research affirms that users naturally group visually close elements together, creating visual hierarchies.
Designers capitalize on this law to create designs that are not only visually organized but also communicate relationships efficiently. By placing related elements in close proximity and separating unrelated ones, designers can enhance the clarity and coherence of interfaces.
5. Law of Proximity
The Law of Proximity, closely related to the Law of Common Region, emphasizes that elements placed close together are perceived as a group. Research supports this law, showcasing how grouping related items simplifies comprehension and enhances visual organization.
In practice, this principle is evident in messaging apps where conversations from the same sender are grouped together, allowing users to quickly discern and manage their interactions.
6. Miller's Law
Miller’s Law underscores the cognitive limits of working memory, stating that humans can effectively retain around 7 (plus or minus 2) pieces of information at a time. This principle is grounded in psychology and has significant implications for interface design.
By chunking information into manageable segments, designers accommodate users’ cognitive capacity. An application of this principle is seen in multi-step forms where information is grouped into sections, making the process less overwhelming.
7. Zeigarnik Effect
The Zeigarnik Effect, supported by psychological research, elucidates that people remember uncompleted tasks more than completed ones. This cognitive bias can be harnessed to enhance user engagement.
Designers incorporate progress indicators and visual cues that prompt users to complete tasks, capitalizing on the Zeigarnik Effect. In project management apps, for example, progress bars encourage users to complete tasks they’ve initiated.
8. Von Restorff Effect
The Von Restorff Effect maintains that distinct elements stand out and are more memorable. Psychologically, this principle aligns with the way our brains process novel stimuli. By highlighting crucial information using contrasting elements, designers can guide user attention to key features. Notably, this is applied in call-to-action buttons on websites, where an eye-catching color draws attention and increases interaction.
Improved User Experiences
These UX design laws, while not rigid rules, offer valuable guidance for designers aiming to create improved user experiences. By implementing these principles, designers can establish interfaces that are not only user-friendly but also intuitive, efficient, and enjoyable for users to interact with. Drawing from research and real-world applications, these laws illuminate the path toward crafting interfaces that resonate positively with users.
To read more about these laws, and more, visit Jon Yablonski’s Laws of UX website, or check out his Laws of UX book.


