, ▁Maryland ▁Category : 1 7 2 2 ▁establish ments ▁in ▁the ▁Th ir teen ▁Col on ies <0x0A> </s> ▁T ec nica ▁Emp ir ica ▁St ima ▁Error i ▁Oper atori ▁( TE SE O ) ▁is ▁a ▁technique ▁in ▁the ▁field ▁of ▁Human ▁reli ability ▁Ass ess ment ▁( H RA ), ▁that ▁evalu ates ▁the ▁probability ▁of ▁a ▁human ▁error ▁occurr ing ▁throughout ▁the ▁completion ▁of ▁a ▁specific ▁task . ▁From ▁such ▁anal ys es ▁measures ▁can ▁then ▁be ▁taken ▁to ▁reduce ▁the ▁lik elihood ▁of ▁errors ▁occurr ing ▁within ▁a ▁system ▁and ▁therefore ▁lead ▁to ▁an ▁improvement ▁in ▁the ▁overall ▁levels ▁of ▁safety . ▁There ▁exist ▁three ▁primary ▁reasons ▁for ▁conduct ing ▁an ▁H RA ; ▁error ▁identification , ▁error ▁quant ification ▁and ▁error ▁reduction . ▁As ▁there ▁exist ▁a ▁number ▁of ▁techniques ▁used ▁for ▁such ▁purposes , ▁they ▁can ▁be ▁split ▁into ▁one ▁of ▁two ▁class ifications ; ▁first ▁generation ▁techniques ▁and ▁second ▁generation ▁techniques . ▁First ▁generation ▁techniques ▁work ▁on ▁the ▁basis ▁of ▁the ▁simple ▁dich ot omy ▁of ▁‘ f its / does n ’ t ▁fit ’ ▁in ▁the ▁matching ▁of ▁the ▁error ▁situation ▁in ▁context ▁with ▁related ▁error ▁identification ▁and ▁quant ification ▁and ▁second ▁generation ▁techniques ▁are ▁more ▁theory ▁based ▁in ▁their ▁assess ment ▁and ▁quant ification ▁of ▁errors . ▁‘ H RA ▁techniques ▁have ▁been ▁util ised ▁in ▁a ▁range ▁of ▁indust ries ▁including ▁health care , ▁engineering , ▁nuclear , ▁transport ation ▁and ▁business ▁sector ; ▁each ▁technique ▁has ▁varying ▁uses ▁within