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Go/no-go
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<p>A go/no-go test is a two-step verification process that uses two boundary conditions, or a <a href="/facts/Binary_classification/MeYYAMwp">binary classification</a>. The test is passed only when the <i>go</i> condition has been met and also the <i>no-go</i> condition has failed. </p><p>The test gives no information as to the degree of conformance to, or deviation from the boundary conditions. These tests can be used for <a href="/facts/Statistical_process_control/Qwkqg5d4">statistical process control</a> purposes. There are specific SPC tools that use parameter based measurements (e.g., P-charts) for determining the stability of a process. </p><p>It has uses in engineering, psychology, military, and manufacturing. For example, a rocket <a href="/facts/Launch_status_check/l1d3c2AK">launch status check</a> involves a go/no-go test. </p>