Representing Discrete Values for Aspects as Sets of Ranges PAGE 132
Numeric Sliders PAGE 135
Inadvertently Emphasizing Over-constrained Filter States PAGE 135
Being Parsimonious with Inventory Information PAGE 137
Faceted search (introduced in Chapter 7, “Best Practices for Designing Faceted Search Filters”) has become the de facto standard for search on most ecommerce sites. Among the various types of facets that describe digital object collections for the purposes of conducting electronic commerce, numeric filters are quite common: They represent shoe size, camera resolution, price, rating, recommended age, and much more. Numeric filters help people make sense of their digital world and make better decisions. However, filters containing numeric values remain among the most confusing and difficult to use. The following three usability issues surface most often with numeric filters:
Recently, powerful ...