When altering specific methodological or participant characteristics of a previous study, they serve to test generalizability of the earlier findings under different conditions.
1	When	when	ADV	WRB	PronType=Int	2	advmod	2:advmod	Discourse=contingency-condition:6->7:0
2	altering	alter	VERB	VBG	VerbForm=Ger	14	advcl	14:advcl:when	_
3	specific	specific	ADJ	JJ	Degree=Pos	7	amod	7:amod	Entity=(15-abstract-new-cf6-9-sgl
4	methodological	methodological	ADJ	JJ	Degree=Pos	7	amod	7:amod	_
5	or	or	CCONJ	CC	_	6	cc	6:cc	_
6	participant	participant	NOUN	NN	Number=Sing	4	conj	4:conj:or|7:compound	Entity=(16-person-new-cf5-1-sgl)
7	characteristics	characteristic	NOUN	NNS	Number=Plur	2	obj	2:obj	_
8	of	of	ADP	IN	_	11	case	11:case	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	11:det	Entity=(12-abstract-giv:act-cf3-3-coref
10	previous	previous	ADJ	JJ	Degree=Pos	11	amod	11:amod	_
11	study	study	NOUN	NN	Number=Sing	2	obl	2:obl:of	Entity=12)15)|SpaceAfter=No
12	,	,	PUNCT	,	_	2	punct	2:punct	_
13	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	14	nsubj	14:nsubj|16:nsubj:xsubj	Discourse=joint-list_m:7->5:1|Entity=(6-abstract-giv:act-cf1*-1-ana)
14	serve	serve	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
15	to	to	PART	TO	_	16	mark	16:mark	_
16	test	test	VERB	VB	VerbForm=Inf	14	xcomp	14:xcomp	_
17	generalizability	generalizability	NOUN	NN	Number=Sing	16	obj	16:obj	Entity=(17-abstract-new-cf4-1-sgl
18	of	of	ADP	IN	_	21	case	21:case	_
19	the	the	DET	DT	Definite=Def|PronType=Art	21	det	21:det	Entity=(14-abstract-giv:act-cf2-3-coref
20	earlier	early	ADJ	JJR	Degree=Cmp	21	amod	21:amod	_
21	findings	finding	NOUN	NNS	Number=Plur	17	nmod	17:nmod:of	Entity=14)
22	under	under	ADP	IN	_	24	case	24:case	_
23	different	different	ADJ	JJ	Degree=Pos	24	amod	24:amod	Entity=(18-abstract-new-cf7-2-sgl
24	conditions	condition	NOUN	NNS	Number=Plur	17	nmod	17:nmod:under	Entity=18)17)|SpaceAfter=No
25	.	.	PUNCT	.	_	14	punct	14:punct	_
