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Promoting and characterizing the menu to keyboard shortcuts transition

Abstract : Users frequently select commands on personal computers, tablets or smartphones. They can use novice methods such as linear menus, ribbons and toolbars. They can also use expert methods such as keyboard shortcuts and stroke shortcuts that are more efficient. However, we observe that many users continue to use novice methods even experimented users because they fail to make the transition from novice to expert methods. This can have a strong impact on productivity. In this thesis, I investigate the transition from menus to keyboard shortcuts on personal computers and focus on two complementary objectives. The first objective consists of promoting keyboard shortcut usage by designing novel interaction techniques. My approach consists of (1) identifying the key elements of a command (name, icon and shortcut), (2) describing how these elements are represented in traditional interfaces and their impact on performance and (3) proposing alternative designs. In particular, I design, implement and evaluate two novel interaction techniques exploring different locations of the keyboard shortcut cues: The first one blends the keyboard shortcut cues into command icons. The second one explores the relative position of the keyboard shortcut cues with their corresponding command labels. We show that both interaction techniques are promising for promoting keyboard shortcut usage. In addition, I investigate how the command name - keyboard shortcut mapping impacts keyboard shortcut usage. The second objective consists of better characterizing the transition from menus to keyboard shortcuts. I highlight inconsistencies between theoretical and empirical characterizations of this transition making difficult to evaluate and compare interaction techniques. I present a novel methodology to estimate theoretical behavioral markers on empirical data. In particular, I design and evaluate an algorithm to automatically identify the beginning and the end of the transition. I also provide new insights regarding users behaviors before, during and after the transition. This thesis offers (1) a better understanding of the transition from menus to keyboard shortcuts and the design factors involved in this transition, (2) novel methods to characterize this transition and (3) two novel interaction techniques to promote keyboard shortcuts.
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Submitted on : Friday, February 28, 2020 - 2:45:45 PM
Last modification on : Wednesday, June 15, 2022 - 9:03:56 PM
Long-term archiving on: : Friday, May 29, 2020 - 4:19:23 PM


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  • HAL Id : tel-02484851, version 2


Emmanouil Giannisakis. Promoting and characterizing the menu to keyboard shortcuts transition. Human-Computer Interaction [cs.HC]. Université Paris-Saclay, 2019. English. ⟨NNT : 2019SACLT033⟩. ⟨tel-02484851v2⟩



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