In this study, a measure of Lean management was developed and tested. Items were identified
using the Delphi technique with literature review and expert responses. Twenty-five nurses pilottested
the instrument and then 212 nurses in 5 hospitals completed the instrument, and their
responses were subjected to exploratory factor analysis. The 75-item instrument includes 12 factors
describing Lean management conceptualization. Reliability and validity are acceptable for a new
instrument. Key words: instrument development, Lean management, process improvement,
quality improvement, quality management