<prompt> Which type of blinding is when both Subject as well as Investigator are not aware of treatment being givenSingle blindingDouble blindingTriple blindingNo blinding  <response>: BLINDING IN EPIDEMIOLOGY Single blinding: Subject is not aware of treatment being given Double blinding: Subject Investigator are not aware of treatment being given MC Triple blinding: Subject, Investigator Analyzer are not aware of treatment being given Best No blinding done in the Open trail or study 