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Evaluating instructional formats and performance metrics in manual assembly task
Wadea Ameen1, Atef M Ghaleb2, Rafeek Mushtaha1
1Industrial Engineering Department, College of Engineering, AL Yamamah University, Riyadh, Saudi Arabia.
Work (Reading, Mass.)
|August 25, 2025
Summary
This study found that while color and text in assembly instructions slightly impact performance, the effect is not significant for simple tasks. Customized instructions are key for improving efficiency and reducing costs in manufacturing.
Area of Science:
- Manufacturing processes
- Human-computer interaction
- Ergonomics
Background:
- Customer assembly is growing due to e-commerce, making clear instructions vital for efficiency.
- Manual assembly performance can be significantly improved with optimized instruction design.
Purpose of the Study:
- To evaluate how different assembly instruction formats affect manual assembly performance.
- To determine the specific impact of color and text in instructions on efficiency and accuracy.
Main Methods:
- Created diverse instruction formats: color/no-color images, with/without text.
- Conducted manual assembly tasks with 40 participants.
- Measured key performance metrics to assess assembly efficiency.
Main Results:
- Instructional elements like color and text showed a minor, non-significant effect on assembly performance.
- The complexity of the assembly task influenced the impact of instruction format.
Conclusions:
- Explicit and customized assembly instructions are crucial for enhancing performance.
- Optimizing instruction design can lead to significant cost reductions in manufacturing.
- Further research may explore more complex assembly tasks and varied participant groups.
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