Dynamic Keyboard Systems for Improved Typing Performance

动态键盘系统可提高打字性能

• 批准号: 6403056
• 负责人: JAMES E SCHROEDER
• 金额: $ 29.35万
• 依托单位: APPLIED HUMAN FACTORS, INC.
• 依托单位国家: 美国
• 财政年份: 2001
• 资助国家: 美国
• 起止时间: 2001-09-10 至 2003-08-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/6403056
• 关键词: assistive device /technology; biomedical equipment development; computer program /software; computer system design /evaluation; computer system hardware; human subject; medical rehabilitation related tag; work site

DESCRIPTION (provided by applicant): Dramatic increases in computer speed and the development of on-screen keyboards that send text to commercial software programs provided the foundation for this innovative approach to assisted typing. In Phase I, this new approach "Smart Key Technology (TM)" (SKT) was investigated, further developed, and tested. Using "letter prediction, SKT searches currently loaded dictionaries (files containing word, sentence, and abbreviation lists ordinarily used with word prediction) and identifies all letters that follow the currently typed character string. Depending on the option selected, SKT "identifies" the most likely next letter(s) by removing, graying out, or changing the color of unlikely letters presented on the on-screen keyboard. In the experiment conducted, subjects typed significantly more letters during a set time period when using SKT with an on-screen keyboard under both point-and-click (when the keyboard was unfamiliar) and scanning conditions. Most notable was the dramatic improvement under scanning conditions. Hypothesized sources of performance enhancement are 1) reduced visual scanning time, 2) simpler displays, 3) reduced probability of selecting an incorrect key, and 4) decreased key selection time (for scanning keyboards). In the proposed Phase II work, further enhancements of SKT will be made and two important variations of SKT will be developed and tested. PROPOSED COMMERCIAL APPLICATION: Not available

描述（由申请人提供）：计算机速度的急剧增加， 向商业软件发送文本的屏幕键盘的开发 计划为这种创新的方法提供了基础， 输入.在第一阶段，这种新的方法“智能密钥技术（TM）”（SKT）， 研究，进一步开发和测试。使用“字母预测，SKT 搜索当前加载的字典（包含单词、句子和 缩写列表通常用于单词预测），并识别所有 当前键入的字符串后面的字母。取决于 选择选项，SKT通过删除， 变灰，或改变显示在屏幕上的不太可能的字母的颜色， 屏幕键盘。在所进行的实验中， 当使用SKT和屏幕键盘时， 在点击（当键盘不熟悉时）和扫描下 条件最值得注意的是在扫描下的戏剧性改善 条件假设的绩效提升来源减少了 视觉扫描时间，2）更简单的显示，3）减少选择的可能性 不正确的键，以及4）减少的键选择时间（用于扫描键盘）。 在建议的第二阶段工作中，将进一步增强SKT， 将开发和测试SKT的重要变体。 拟定商业应用： 不可用