A new process improvement team has just completed unstructured brainstorming on reasons why healthcare-acquired infection...

An affinity diagram (C) organizes brainstorming ideas into thematic categories, aiding analysis of infection rate causes. Decision matrices (A), Pareto charts (B), and force field analysis (D) are less suited for sorting ideas. NAHQ emphasizes affinity diagrams for idea organization.

NAHQ CPHQ Study Guide, Performance and Process Improvement Section, “Affinity Diagrams and Idea Organization”; NAHQ CPHQ Practice Questions, Quality Improvement Tools.