What philosophy was widely adopted first by Japanese companies and then American companies during the 1980s and early 1990s, and from which the Six Sigma methodology directly descended?

Question

Quizplus · Accepted Answer

Total Quality Management (TQM) was widely adopted by Japanese companies and later by American companies during the 1980s and early 1990s. Six Sigma methodology directly descended from TQM principles, focusing on quality improvement and defect reduction.

What Philosophy Was Widely Adopted First by Japanese Companies and Then