An explanation of Fitts' law-like performance in gaze-based selection tasks using a psychophysics approach

I Schuetz, TS Murdison, KJ MacKenzie… - Proceedings of the 2019 …, 2019 - dl.acm.org
Eye gaze as an input method has been studied since the 1990s, to varied results: some
studies found gaze to be more efficient than traditional input methods like a mouse, others …

Speeding up inference with user simulators through policy modulation

HS Moon, S Do, W Kim, J Seo, M Chang… - Proceedings of the 2022 …, 2022 - dl.acm.org
The simulation of user behavior with deep reinforcement learning agents has shown some
recent success. However, the inverse problem, that is, inferring the free parameters of the …

A simulation model of intermittently controlled point-and-click behaviour

S Do, M Chang, B Lee - Proceedings of the 2021 CHI Conference on …, 2021 - dl.acm.org
We present a novel simulation model of point-and-click behaviour that is applicable both
when a target is stationary or moving. To enable more realistic simulation than existing …

Critical index of difficulty for different body motions: A review

ER Hoffmann - Journal of motor behavior, 2016 - Taylor & Francis
ABSTRACT K.-C. Gan and ER Hoffmann demonstrated that there is a clear boundary
between values of Fitts' index of difficulty (ID) below which movements may be made without …

Predicting Success Rates in Steering Through Linear and Circular Paths by the Servo-Gaussian Model

S Yamanaka, H Usuba, H Takahashi… - International Journal of …, 2024 - Taylor & Francis
Steering a cursor through a constrained path is required for operating graphical user
interfaces, such as when navigating a cascaded menu. Recently, the accuracy with which …

Characterizing and Quantifying Expert Input Behavior in League of Legends

H Lee, S Lee, R Nallapati, Y Uh, B Lee - Proceedings of the CHI …, 2024 - dl.acm.org
To achieve high performance in esports, players must be able to effectively and efficiently
control input devices such as a computer mouse and keyboard (ie, input skills) …

Structure of hand/mouse movements

Y Chen, ER Hoffmann… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This study investigated the distribution of movement time (MT) and submovement time as a
function of Fitts' index of difficulty (ID) to help understand the underlying mechanisms of Fitts' …

What Aimed Movement Models Fit Distal Pointing With Varying Depth?

Y Wang, RS Goonetilleke, RF Lin - Human Factors, 2024 - journals.sagepub.com
Objective With the rapid improvements in drone technology, there is an increasing interest in
distal pointing to diffuse drones. This study investigated the effect of depth on distal pointing …

Effects of gain and index of difficulty on mouse movement time and fitts' law

YH Pang, ER Hoffmann… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The mouse, being the major means of inputting and controlling data on a computer, should
beset right for best performance. Mouse gain, defined as the ratio of the movement distance …

Automated Usability Improvement of Two-Dimensional Graphical Interfaces through the Simulation of User's Operations

TC Chou, JM Lu - International Journal of Human–Computer …, 2024 - Taylor & Francis
To deal with the problems caused by human intervention associated with the traditional
methods across evaluation and redesign phases, this study aims to propose an automated …