External Validity The extent to which a finding applies (or can be generalized) to persons, objects, settings, or times other than those that were the subject of study.
( ( ( ( ( External Validity ) ( ( ( The extent ) ( to which ) ) ( ( a finding ) ( applies ( -LRB- ( or ( ( can ( be generalized ) ) -RRB- ) ) ) ) ) ) ) ( to ( persons ( , ( objects ( , ( settings ( , ( or times ) ) ) ) ) ) ) ) ) ( other ( than ( those ( that ( were ( ( the subject ) ( of study ) ) ) ) ) ) ) ) . )
(ROOT (NP (NP (NP (NNP External) (NNP Validity)) (SBAR (WHNP (NP (DT The) (NN extent)) (WHPP (TO to) (WHNP (WDT which)))) (S (NP (DT a) (NN finding)) (VP (VP (VBZ applies)) (PRN (-LRB- -LRB-) (CC or) (VP (MD can) (VP (VB be) (VP (VBN generalized)))) (-RRB- -RRB-)))))) (PP (TO to) (NP (NNS persons) (, ,) (NNS objects) (, ,) (NNS settings) (, ,) (CC or) (NNS times))) (PP (JJ other) (IN than) (NP (NP (DT those)) (SBAR (WHNP (WDT that)) (S (VP (VBD were) (NP (NP (DT the) (NN subject)) (PP (IN of) (NP (NN study))))))))) (. .)))
The degree to which conclusions can be applied to objects and persons who weren't subjects in the initial study subject is called External Validity.
( ( ( The degree ) ( ( to which ) ( conclusions ( can ( be ( applied ( to ( ( ( objects and ) persons ) ( who ( ( were n't ) ( subjects ( in ( the ( initial ( study subject ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ( ( is ( called ( External Validity ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN degree)) (SBAR (WHPP (TO to) (WHNP (WDT which))) (S (NP (NNS conclusions)) (VP (MD can) (VP (VB be) (VP (VBN applied) (PP (TO to) (NP (NP (NNS objects) (CC and) (NNS persons)) (SBAR (WHNP (WP who)) (S (VP (VBD were) (RB n't) (NP (NP (NNS subjects)) (PP (IN in) (NP (DT the) (JJ initial) (NN study) (NN subject))))))))))))))) (VP (VBZ is) (VP (VBN called) (NP (NNP External) (NNP Validity)))) (. .)))