What do we understand about User Experience? In simple terms, user experience is the experience a user has when interacting with a product. For example, You want to have a glass of water, you interact with the glass of water. The design of the glass including the look, feel and material may impact your experience of the interaction.

User Experience is an umbrella term that covers visual design, information architecture, usability, interaction design and user research; it covers all the aspects which users have with the product. If we go deeper into UX then we find some psychological laws that result in a great experience for the users. This article will focus on the 7 important laws of UX.

1. Zeigarnic Effect

This happens with all of us, when we have some important task to do, and when we forget to do it, we tend to feel bad about it; this is the zeigarnik effect.
It states that we remember uncompleted and uninterrupted tasks more than the completed task.

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2. Fitts’ Law

Fitts law states that the larger the distance and smaller the size of the target, the longer it will take.
According to this law, fast movement and smaller targets result in greater error rates, due to the speed-accuracy tradeoff.

Examples:

3. Hick’s Law

If you have multiple tasks to complete within a limited time, you will take more time making a decision compared to if you have only two tasks to complete.
Hick’s law states that the time to make a decision increases with the number and complexity of choices.

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4. Jacob’s Law

Jacob’s law states that when users are used to using a product, then users build their expectations around one familiar product that appears similar.

Example:

5. Law of pragnanz

This law states that we interpret complex images in the simplest form possible because it require very little cognitive effort to interpret.
Research confirms that people are better able to visually process and remember simple figures than complex figures.

Example:

6. Miller’s Law

Miller’s Law states that an average person can only keep 7 (plus or minus) in their working memory. Organizing content in smaller chunks will help users to understand, process and memorize easily.

Example:

7. Serial Position Effect

This law states that we tend to remember the first and the last item in the series. There are two main concepts involved in the serial position effect.
1. Primary effect- The tendency to recall the first item is called the Primary effect because we require less processing effort in rehearsing the item.
2. Recency Effect- The tendency to recall the last item is called the recency effect because our working memory preserves temporary information.

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