Supporting elementary‐age children's searching and browsing: Design and evaluation using the international children's digital library

Hilary Browne Hutchinson, Allison Druin and Benjamin B. Bederson

Journal of the American Society for Information Science and Technology, 2007, vol. 58, issue 11, 1618-1630

Abstract: Elementary‐age children (ages 6–11) are among the largest user groups of computers and the Internet. Therefore, it is important to design searching and browsing tools that support them. However, many interfaces for children do not consider their skills and preferences. Children are capable of creating Boolean queries using category browsers, but have difficulty with the hierarchies used in many category‐browsing interfaces because different branches of the hierarchy must be navigated sequentially and top‐level categories are often too abstract for them to understand. Based on previous research, the authors believe using a flat category structure, where only leaf‐level categories are available and can be viewed simultaneously, might better support children. However, this design introduces many more items on the screen and the need for paging or scrolling, all potential usability problems. To evaluate these tradeoffs, the authors conducted two studies with children searching and browsing using two types of category browsers in the International Children's Digital Library. Their results suggest that a flat, simultaneous interface provides advantages over a hierarchical, sequential interface for children in both Boolean searching and casual browsing. These results add to our understanding of children's searching and browsing skills and preferences, and possibly serve as guidelines for other children's interface designers.

Date: 2007
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