What does this research mean for the field?

In virtual reality 2D interfaces, small button spacing reduces task completion times and perceived workload in accordance with Fitts' Law, although large button sizes can cause deviations from the law due to target size saturation. Novelty: ClaimNovelty.CONFIRMATORY. Consensus alignment: ConsensusAlignment.SUPPORTS_CONSENSUS.

What question did this study set out to answer?

This study aims to evaluate the impact of button size and spacing on user performance and perceptions in VR interfaces.

May 28, 2026PRESENCE Virtual and Augmented Reality0 citations

Usability Study of Button Size and Spacing in VR Audiovisual Media Interfaces

Usability Study of Button Size and Spacing in Virtual Reality On-Demand Audiovisual Media Preview Interfaces

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Authors

CCChien-Hsiung Chen CCChun‐Yang Chiu

Discussion

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Overview

Randomized trial assesses how button size and spacing affect usability in VR media interfaces, suggesting design improvements.

Key Points

This study aims to evaluate the impact of button size and spacing on user performance and perceptions in VR interfaces.
Conducted a 2x3 factorial experiment with 72 participants to test different button sizes and spacings.
Collected performance metrics and subjective feedback using a two-factor analysis of variance (ANOVA).
Analyzed task completion times and subjective preferences in relation to Fitts' Law.
Small spacing resulted in quicker task completion times, supporting Fitts' Law.
Large button sizes did not yield significant performance effects, indicating potential issues with target size saturation.
Medium spacing was preferred over small spacing, and highest preference was noted for specific size and spacing combinations.

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Cite This Study

Chen et al. (2026) studied this question.

synapsesocial.com/papers/6a17dcbb3fad632b0f9d96a6 https://doi.org/10.1162/pres.a.438

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May 28, 2026PRESENCE Virtual and Augmented Reality0 citations

Usability Study of Button Size and Spacing in VR Audiovisual Media Interfaces

Usability Study of Button Size and Spacing in Virtual Reality On-Demand Audiovisual Media Preview Interfaces

View Full Paper

Authors

CCChien-Hsiung Chen CCChun‐Yang Chiu

Discussion

Member takes

Overview

Randomized trial assesses how button size and spacing affect usability in VR media interfaces, suggesting design improvements.

Key Points

This study aims to evaluate the impact of button size and spacing on user performance and perceptions in VR interfaces.
Conducted a 2x3 factorial experiment with 72 participants to test different button sizes and spacings.
Collected performance metrics and subjective feedback using a two-factor analysis of variance (ANOVA).
Analyzed task completion times and subjective preferences in relation to Fitts' Law.
Small spacing resulted in quicker task completion times, supporting Fitts' Law.
Large button sizes did not yield significant performance effects, indicating potential issues with target size saturation.
Medium spacing was preferred over small spacing, and highest preference was noted for specific size and spacing combinations.

Ask AI

Helpful

Bookmark

View Full Paper

Cite This Study

Chen et al. (2026) studied this question.

synapsesocial.com/papers/6a17dcbb3fad632b0f9d96a6 https://doi.org/10.1162/pres.a.438

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