IRT

Look up IRT or irt in Wiktionary, the free dictionary.

IRT may refer to:

• Immunoreactive trypsinogen, used as a newborn screening test for cystic fibrosis
• Indiana Repertory Theatre, a theatre in Indianapolis, Indiana
• Infrared thermography
• Institut für Rundfunktechnik, the research institute of the public broadcasters of Germany, Austria, and Switzerland
• Interborough Rapid Transit Company, former operator of a portion of the New York City Subway system
• Isochronous real time, a computer protocol used for PROFINET IO
• Interactive Response Technology, used e.g. in planning of drug supply during clinical trials
• Item response theory, a theory to interpret data from psychometric tests
• Ice Road Truckers, a documentary television series on History Channel
  • IRT: Deadliest Roads, a spin-off series of Ice Road Truckers