Current Theoretical Developments and Applications of Fitts’ Law: A Literature Review

Jiang, Rong; Gu, Zhenyu

doi:10.1007/978-3-030-20227-9_72

Cited by 1 publication

(2 citation statements)

References 28 publications

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“…The development of Windows, Icon, Menu and Pointer interfaces (Dix et al, 2004) has meant that correct option selection requires effective cursor control (Baber, 1997; Douglas & Mithal, 1997), and the efficiency of such interfaces is sometimes evaluated using the slope of Fitts’ law (Jiang & Gu, 2020; MacKenzie, 1992; Soukoreff & MacKenzie, 2004). Fitts’ law describes a relationship between a movement’s speed and its accuracy, and predicts when a movement becomes ‘effortful’ (Gan & Hoffmann, 1988; Shoemaker et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

“…The relationship between movement duration and movement precision is described by Fitts' law (Jiang & Gu, 2020), and is used to describe the efficiency of interfaces (MacKenzie, 1992; Soukoreff & MacKenzie, 2004). Movement duration is linearly related to accuracy when required precision is expressed in terms of an index of difficulty – Log 2 2 A/W – where A is movement amplitude and W is target width (Fitts, 1954).…”

Section: Introductionmentioning

confidence: 99%

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Incompatibility Influences Cursor Placement When Pointing to Images of Cups

2022

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Objective As images are used within graphical user interfaces to signify menu selection, it is important to understand how image properties can influence cursor placement online. Background Objects have multiple dimensions that create potential ambiguity and Stroop-like confusions for the operator if a previously habitual response conflicts with the required response. Methods To examine the impact of compatibility and other contextual factors, 41 participants used a computer Mouse or touch screen to place the cursor upon images of full or empty cups that varied in size, and direction of handle. Results Cursor placements took longer using the Mouse than touch screen. Although participants were placing the cursor on images, the size of the cup, whether it was empty or full, and the handle orientation interacted in their effects upon response duration and cursor placement. The effects of cup size reversed for empty cups or those with incompatible handles. Conclusion Context can influence cursor placement. Perceived spillability influenced precision requirements, and the cup handle can serve as target or a flanking distractor. Application Image content can influence screen hotspots. As performance can change with cup spillability, this bodes well for attempts to detect intent from cursor trajectories.

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