    Senténée 1: External Validity The extent to, which  a finding: appliés (or.can be :geierdlized) to  persorts, objects, séttings, or times other chan  those-thdt were:the subject of study.    Sentence'2: The.degree‘ta:which conclusions can  be applied fo objects and persons who weren't  subjects int che, initial scudy -subject. is called  Excerinal:Validity.    