Use the EAS framework — Eliminate first, Automate where possible, and Simplify what remains — to minimize user effort and improve form completion rates.
Response biases make it difficult to create good surveys. Follow these tips to counteract 10 of the major survey response biases and improve your survey data.
Using an asterisk to mark required fields is an easy way to improve the usability of your forms. Only marking optional fields makes it difficult for people to fill out the form.
To eliminate outdated information and make online shopping efficient, let ecommerce users easily update existing payment information directly within the checkout flow.
Selecting a precise value using a slider is a difficult task requiring good motor skills, even if the slider is well designed. If picking an exact value is important to the goal of the interface, choose an alternate UI element.
Optional registration on e-commerce sites simplifies the purchase process and invites users to register when they feel comfortable, rather than forcing unwanted registration.
Features meant to increase user efficiency by reducing steps can end up hurting users if they do not conform to existing mental models and expectations based on past experiences.
Select a single radio button by default in most cases. Reasons to deviate or not: expedite tasks, the power of suggestion, user expectations, safety nets.
Should the OK button come before or after the Cancel button? Following platform conventions is more important than optimizing an individual dialog box.