A statistical analysis was performed based on the application of the paired t-test on the difference of the overall score obtained in the test before and after the intervention in the two groups.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	3:det	Discourse=context-background:79->82:4|Entity=(184-abstract-new-cf4-3-sgl
2	statistical	statistical	ADJ	JJ	Degree=Pos	3	amod	3:amod	_
3	analysis	analysis	NOUN	NN	Number=Sing	5	nsubj:pass	5:nsubj:pass	Entity=184)
4	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	5	aux:pass	5:aux:pass	_
5	performed	perform	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
6	based	base	VERB	VBN	Tense=Past|VerbForm=Part	5	advcl	5:advcl	Discourse=elaboration-additional:80->79:0
7	on	on	ADP	IN	_	9	case	9:case	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	9:det	Entity=(185-abstract-new-cf5-2-sgl
9	application	application	NOUN	NN	Number=Sing	6	obl	6:obl:on	_
10	of	of	ADP	IN	_	15	case	15:case	_
11	the	the	DET	DT	Definite=Def|PronType=Art	15	det	15:det	Entity=(186-abstract-new-cf6-8-sgl
12	paired	pair	VERB	VBN	Tense=Past|VerbForm=Part	15	amod	15:amod	_
13	t	t	NOUN	NN	Number=Sing	15	compound	15:compound	SpaceAfter=No|XML=<w>
14	-	-	PUNCT	HYPH	_	13	punct	13:punct	SpaceAfter=No
15	test	test	NOUN	NN	Number=Sing	9	nmod	9:nmod:of	XML=</w>
16	on	on	ADP	IN	_	18	case	18:case	_
17	the	the	DET	DT	Definite=Def|PronType=Art	18	det	18:det	Entity=(187-abstract-new-cf7-2-sgl
18	difference	difference	NOUN	NN	Number=Sing	9	nmod	9:nmod:on	_
19	of	of	ADP	IN	_	22	case	22:case	_
20	the	the	DET	DT	Definite=Def|PronType=Art	22	det	22:det	Entity=(188-abstract-new-cf8-3-sgl
21	overall	overall	ADJ	JJ	Degree=Pos	22	amod	22:amod	_
22	score	score	NOUN	NN	Number=Sing	18	nmod	18:nmod:of	_
23	obtained	obtain	VERB	VBN	Tense=Past|VerbForm=Part	22	acl	22:acl	Discourse=elaboration-attribute:81->80:0
24	in	in	ADP	IN	_	26	case	26:case	_
25	the	the	DET	DT	Definite=Def|PronType=Art	26	det	26:det	Entity=(155-abstract-giv:inact-cf2-2-coref
26	test	test	NOUN	NN	Number=Sing	23	obl	23:obl:in	Entity=155)
27	before	before	ADP	IN	_	31	case	31:case	_
28	and	and	CCONJ	CC	_	29	cc	29:cc	_
29	after	after	ADP	IN	_	27	conj	27:conj:and|31:case	_
30	the	the	DET	DT	Definite=Def|PronType=Art	31	det	31:det	Entity=(154-event-giv:inact-cf3-2-coref
31	intervention	intervention	NOUN	NN	Number=Sing	23	obl	23:obl:before	Entity=154)
32	in	in	ADP	IN	_	35	case	35:case	_
33	the	the	DET	DT	Definite=Def|PronType=Art	35	det	35:det	Entity=(166-person-giv:inact-cf1-3-coref
34	two	two	NUM	CD	NumForm=Word|NumType=Card	35	nummod	35:nummod	_
35	groups	group	NOUN	NNS	Number=Plur	23	obl	23:obl:in	Entity=166)188)187)186)185)|SpaceAfter=No
36	.	.	PUNCT	.	_	5	punct	5:punct	_
