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Evaluation of automatic pointing assistive function effect in cursor-positioning task for people with disabilities.

Ching-Tien Shih¹, Ching-Hsiang Shih, Ching-Hsing Luo

¹Department of Electrical Engineering, National Cheng Kung University, Tainan City 701, Taiwan, Republic of China.

Disability and Rehabilitation. Assistive Technology

|July 31, 2010

Summary

The automatic pointing assistive programme (APAP) significantly improved cursor-positioning efficiency by 65.29% for individuals with disabilities. This innovative mouse driver enhances usability for aged users and novices.

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Area of Science:

Human-Computer Interaction
Assistive Technology
Rehabilitation Engineering

Background:

Cursor-positioning is a critical aspect of computer usability, particularly for individuals with motor impairments.
Existing cursor-capturing functions like jumping and gravity have limitations in improving efficiency.
The development of novel assistive technologies is crucial for enhancing computer accessibility.

Purpose of the Study:

To evaluate the effectiveness of the automatic pointing assistive programme (APAP) in improving cursor-positioning for people with disabilities.
To compare the performance of APAP with traditional cursor-capturing functions and a normal condition.
To assess the potential of APAP as a mouse driver for enhancing computer usability.

Main Methods:

A study involving 20 participants with disabilities was conducted.
The automatic pointing assistive programme (APAP) was implemented, which moves the cursor to a target upon entering a circular activation area.
Trial completion times were measured and compared against previous studies of cursor-capturing functions (jumping, gravity) and a normal condition.

Main Results:

The APAP demonstrated a significant improvement in pointing efficiency by 65.29% compared to the normal condition (p < 0.001).
One-way ANOVA revealed that cursor-capturing functions significantly impacted trial completion time (F(2,57) = 199.21; p < 0.001).
The APAP's performance in positioning time was superior to previously studied methods for individuals with disabilities.

Conclusions:

The APAP offers superior performance in cursor positioning time for people with disabilities compared to existing methods.
The APAP has the potential to significantly aid aged users and novices in operating a mouse with greater efficiency and ease.
This assistive programme represents a promising advancement in improving computer accessibility and user experience.