Credibility and validity of testimony The credibility of individuals with personality disorders has been questioned at least since the 1960s. Two concerns are the incidence of dissociation episodes among people with BPD and the belief that lying is not uncommon in those diagnosed with the condition.
credibilIty anD valIdity Of tEstiMony ThE creDibIlitY of inDIvIDUaLS wIth PersoNAliTy DisorDerS has beEN questiONeD At LeaSt sINCe the 1960s. two conCErNS arE the InciDence of disSociAtIon EPisoDes amonG pEOPle wITH bpd and the beLIEf that lyinG iS NoT uNcommon In ThoSe diagnoSeD with tHE cOndITIoN.