Background check - Purpose. 1  Background checks are often requested by employers on job candidates for employment screening, especially on candidates seeking a position that requires high security or a position of trust, such as in a school, courthouse, hospital, financial institution, airport, and government.
Share this item with your network: Six Sigma is an approach to data-driven management that seeks to improve quality by measuring how many defects there are in a process and systematically eliminating them until there are as close to zero defects as possible.
Six Sigma. Six Sigma (6Ï) is a set of techniques and tools for process improvement. It was introduced by engineers Bill Smith & Mikel J Harry while working at Motorola in 1986.[1][2] Jack Welch made it central to his business strategy at General Electric in 1995.