The test produced too many 'false positives' [=results that showed something was present when it really was not] to be reliable.
The 'positives' of living in the city include access to public transportation and many interesting restaurants.
The 'positives' of the job outweigh the negatives. [=there are more good things about the job than bad things]
(..) All right, cue the music, hold the applause. Shoot him. - The hand belongs to Gellar. - What? It's a positive match. Why the fuck would Gellar cut off his own hand? Well, the cut looks to have been made postmortem. Gellar's most likely dead. (..)2011 TvShow: Dexter Title: Talk to the Hand Season: 6 Episode 11