Knowledge base

Small Group Activities (SGA)

Introduction: SGA

Small Group Activities (SGA) is a structured improvement approach where small teams of employees collaborate to identify, analyse, and resolve problems within their work processes. Closely linked to Lean, Kaizen, and Total Quality Management (TQM), SGA empowers employees to take ownership of improvements and embed a culture of continuous progress.

Background

SGA originated in Japan as part of the quality movement and gained prominence alongside Kaizen initiatives. It emphasises employee involvement in workplace improvements, recognising that those closest to the process often have the best insights into problems and solutions. The method typically uses structured problem-solving tools such as PDCA (Plan–Do–Check–Act) and Quality Control (QC) techniques.

Key Elements/Features

  • Small teams: Typically 5–10 members.
  • Practical focus: Addresses workplace-based, real-world issues.
  • Incremental improvements: Small changes accumulate into significant long-term gains.
  • Structured methods: Relies on systematic tools like PDCA, fishbone diagrams, or check sheets.

Applications/Examples

SGA can be applied across industries:

  • Manufacturing: Reducing defects or machine downtime.
  • Services: Improving workflow efficiency and customer service.
  • Safety and quality: Minimising risks with employee-driven solutions.
  • Lean projects: Supporting Kaizen events with focused team-based efforts.

For example, in a packaging line, a small group investigates recurring defects. By collecting data, identifying root causes with a fishbone diagram, and introducing new handling standards, they achieve a 40% reduction in defect rates.

Relevance/Impact

SGA improves efficiency and quality while fostering engagement and teamwork. Benefits include stronger employee ownership, knowledge sharing, low-cost solutions, and greater process discipline. Over time, these activities build a culture of problem-solving and continuous improvement.

See also

Anend Harkhoe
Lean Consultant & Trainer | MBA in Lean & Six Sigma | Founder of Dmaic.com & Lean.nl
With extensive experience in healthcare (hospitals, elderly care, mental health, GP practices), banking and insurance, manufacturing, the food industry, consulting, IT services, and government, Anend is eager to guide you into the world of Lean and Six Sigma. He believes in the power of people, action, and experimentation. At Dmaic.com and Lean.nl, everything revolves around practical knowledge and hands-on training. Lean is not just a theory—it’s a way of life that you need to experience. From Tokyo’s karaoke bars to Toyota’s lessons—Anend makes Lean tangible and applicable. Lean.nl organises inspiring training sessions and study trips to Lean companies in Japan, such as Toyota. Contact: info@dmaic.com

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