Adaptation to visual feedback delays on touchscreens with hand vision

Area of Science:

• Human-Computer Interaction
• Cognitive Psychology
• Usability Engineering

Background:

• Direct touch interaction on smartphones and tablets is common.
• A typical feedback delay of 75 ms exists between user action and digital response.
• The impact of this delay on user adaptation and skill learning is not fully understood.

Purpose of the Study:

• To investigate user adaptation to touchscreen feedback delay.
• To determine if touchscreen delay affects skill learning and retention.
• To explore the relationship between delay adaptation and skill acquisition.

Main Methods:

• Two experiments involving tracking a moving target on a touchscreen.
• Participants trained under minimal (9 ms) or standard (75 ms) delay conditions.
• Long-term retention and generalization of learning were assessed.

Main Results:

• Participants adapted to both minimal and standard touchscreen delays.
• Adapted performance was retained for at least 7 weeks post-training.
• Learning generalized across different tracking paths and delay conditions.

Conclusions:

• Touchscreen delay does not impede the learning of tracking skills.
• Adaptation to delay and skill learning appear to be distinct processes.
• Findings suggest users can overcome inherent system latencies for proficient interaction.