Related Experiment Video
Updated: May 1, 2026

07:09
Integrating Visual Psychophysical Assays within a Y-Maze to Isolate the Role that Visual Features Play in Navigational Decisions
Published on: May 2, 2019
5.6K
Iterative development of visual control systems in a research vivarium
James A Bassuk1, Ida M Washington2
1Department of Research Continuous Performance Improvement, Seattle Children's Research Institute, Seattle, Washington, United States of America.
Plos One
|April 17, 2014
Summary
Continuous Performance Improvement (CPI) methodology successfully engaged vivarium staff in developing a daily management system. This lean approach enhanced quality and efficiency, supporting research for pediatric diseases.
Area of Science:
- Healthcare Management
- Lean Manufacturing Principles
- Vivarium Operations
Background:
- Vivarium operations often face challenges in efficiency and staff engagement.
- Implementing lean methodologies can optimize processes in healthcare settings.
- Continuous Performance Improvement (CPI) offers a framework for systematic process enhancement.
Purpose of the Study:
- To test if reintroducing Continuous Performance Improvement (CPI) methodology would engage vivarium employees.
- To facilitate the development and sustainment of a daily management system and work-in-process board.
- To integrate aspects of the Toyota Production System into vivarium operations.
Main Methods:
- Utilized Shewhart's Plan-Do-Check-Act cycle for Work-In-Process Board iterations.
- Assessed five levels of quality, focusing on error detection and prevention.
- Implemented a daily management system including visual boards and a biological kanban for cage changing.
Main Results:
- Developed a functioning Mouse Cage Work-In-Process Board with electronic data entry, improving quality level from 1 to 3.
- Achieved a 17% reduction in cage changing frequency, freeing up staff time for research support.
- Replaced a batch-and-queue system with a pull system, improving cage washing flow and efficiency.
Conclusions:
- The hypothesis was supported: CPI methodology facilitated staff engagement and improved vivarium operations.
- The study demonstrated the successful application of lean principles and the Toyota Production System in a research vivarium.
- Optimized processes and increased staff capacity contribute to the overarching goal of advancing cures for pediatric diseases.

