PMP Certification Mix Questions Test 2

Cause-and-effect diagrams, also called Ishikawa diagrams or fishbone diagrams, are used to illustrate how various causes and subcauses interact to create a special effect. It is named for its developer, Kaoru Ishikawa. These diagrams are useful in linking the undesirable effects seen as special variation to the assigned cause, enabling project teams to implement corrective actions to eliminate the special variation shown in a control chart.