Trust metric

"Trust Metric" is the season premiere of the fourth season of the American television show Numb3rs. Written by series writer Ken Sanzel, "Trust Metric" is set five weeks after the events in "The Janus List". In "Trust Metric"'s story, a Federal Bureau of Investigation (FBI) team attempts to find a pair of double agents, one of them a former teammate, who have escaped from prison. The story continues the events that began in "The Janus List".

In psychology and sociology, a trust metric is a measurement of the degree to which one social actor (an individual or a group) trusts another social actor. Trust metrics may be abstracted in a manner that can be implemented on computers, making them of interest for the study and engineering of  virtual communities, such as Friendster and LiveJournal.