id	sid	tid	token	lemma	pos
WOS-000476239500001	1	1	objective	objective	ADJ
WOS-000476239500001	1	2	we	we	PRON
WOS-000476239500001	1	3	compare	compare	VERB
WOS-000476239500001	1	4	academic	academic	ADJ
WOS-000476239500001	1	5	achievement	achievement	NOUN
WOS-000476239500001	1	6	in	in	ADP
WOS-000476239500001	1	7	charter	charter	NOUN
WOS-000476239500001	1	8	schools	school	NOUN
WOS-000476239500001	1	9	versus	versus	ADP
WOS-000476239500001	1	10	two	two	NUM
WOS-000476239500001	1	11	types	type	NOUN
WOS-000476239500001	1	12	of	of	ADP
WOS-000476239500001	1	13	traditional	traditional	ADJ
WOS-000476239500001	1	14	public	public	ADJ
WOS-000476239500001	1	15	school	school	NOUN
WOS-000476239500001	1	16	in	in	ADP
WOS-000476239500001	1	17	the	the	DET
WOS-000476239500001	1	18	state	state	NOUN
WOS-000476239500001	1	19	of	of	ADP
WOS-000476239500001	1	20	michigan	michigan	PROPN
WOS-000476239500001	1	21	over	over	ADP
WOS-000476239500001	1	22	a	a	DET
WOS-000476239500001	1	23	10	10	NUM
WOS-000476239500001	1	24	-	-	PUNCT
WOS-000476239500001	1	25	year	year	NOUN
WOS-000476239500001	1	26	period	period	NOUN
WOS-000476239500001	1	27	.	.	PUNCT
WOS-000476239500001	2	1	charter	charter	NOUN
WOS-000476239500001	2	2	schools	school	NOUN
WOS-000476239500001	2	3	serve	serve	VERB
WOS-000476239500001	2	4	as	as	ADP
WOS-000476239500001	2	5	a	a	DET
WOS-000476239500001	2	6	reform	reform	NOUN
WOS-000476239500001	2	7	measure	measure	NOUN
WOS-000476239500001	2	8	for	for	ADP
WOS-000476239500001	2	9	failing	fail	VERB
WOS-000476239500001	2	10	public	public	ADJ
WOS-000476239500001	2	11	schools	school	NOUN
WOS-000476239500001	2	12	,	,	PUNCT
WOS-000476239500001	2	13	so	so	SCONJ
WOS-000476239500001	2	14	the	the	DET
WOS-000476239500001	2	15	natural	natural	ADJ
WOS-000476239500001	2	16	research	research	NOUN
WOS-000476239500001	2	17	question	question	NOUN
WOS-000476239500001	2	18	is	be	AUX
WOS-000476239500001	2	19	:	:	PUNCT
WOS-000476239500001	2	20	do	do	AUX
WOS-000476239500001	2	21	charter	charter	NOUN
WOS-000476239500001	2	22	schools	school	NOUN
WOS-000476239500001	2	23	generate	generate	VERB
WOS-000476239500001	2	24	higher	high	ADJ
WOS-000476239500001	2	25	achievement	achievement	NOUN
WOS-000476239500001	2	26	levels	level	NOUN
WOS-000476239500001	2	27	than	than	ADP
WOS-000476239500001	2	28	observationally	observationally	ADV
WOS-000476239500001	2	29	comparable	comparable	ADJ
WOS-000476239500001	2	30	public	public	ADJ
WOS-000476239500001	2	31	schools	school	NOUN
WOS-000476239500001	2	32	?	?	PUNCT
WOS-000476239500001	3	1	methods	method	NOUN
WOS-000476239500001	3	2	we	we	PRON
WOS-000476239500001	3	3	have	have	AUX
WOS-000476239500001	3	4	assembled	assemble	VERB
WOS-000476239500001	3	5	a	a	DET
WOS-000476239500001	3	6	longitudinal	longitudinal	ADJ
WOS-000476239500001	3	7	data	datum	NOUN
WOS-000476239500001	3	8	set	set	VERB
WOS-000476239500001	3	9	spanning	span	VERB
WOS-000476239500001	3	10	academic	academic	ADJ
WOS-000476239500001	3	11	years	year	NOUN
WOS-000476239500001	3	12	2002/2003	2002/2003	NUM
WOS-000476239500001	3	13	-	-	SYM
WOS-000476239500001	3	14	2011/2012	2011/2012	NUM
WOS-000476239500001	3	15	containing	contain	VERB
WOS-000476239500001	3	16	proficiency	proficiency	NOUN
WOS-000476239500001	3	17	rates	rate	NOUN
WOS-000476239500001	3	18	on	on	ADP
WOS-000476239500001	3	19	standardized	standardized	ADJ
WOS-000476239500001	3	20	math	math	NOUN
WOS-000476239500001	3	21	and	and	CCONJ
WOS-000476239500001	3	22	reading	read	VERB
WOS-000476239500001	3	23	tests	test	NOUN
WOS-000476239500001	3	24	for	for	ADP
WOS-000476239500001	3	25	grades	grade	NOUN
WOS-000476239500001	3	26	4	4	NUM
WOS-000476239500001	3	27	,	,	PUNCT
WOS-000476239500001	3	28	7	7	NUM
WOS-000476239500001	3	29	,	,	PUNCT
WOS-000476239500001	3	30	and	and	CCONJ
WOS-000476239500001	3	31	11	11	NUM
WOS-000476239500001	3	32	.	.	PUNCT
WOS-000476239500001	4	1	our	our	PRON
WOS-000476239500001	4	2	set	set	NOUN
WOS-000476239500001	4	3	of	of	ADP
WOS-000476239500001	4	4	control	control	NOUN
WOS-000476239500001	4	5	variables	variable	NOUN
WOS-000476239500001	4	6	includes	include	VERB
WOS-000476239500001	4	7	demographic	demographic	ADJ
WOS-000476239500001	4	8	measures	measure	NOUN
WOS-000476239500001	4	9	,	,	PUNCT
WOS-000476239500001	4	10	free	free	ADJ
WOS-000476239500001	4	11	lunch	lunch	NOUN
WOS-000476239500001	4	12	eligibility	eligibility	NOUN
WOS-000476239500001	4	13	,	,	PUNCT
WOS-000476239500001	4	14	school	school	NOUN
WOS-000476239500001	4	15	characteristics	characteristic	NOUN
WOS-000476239500001	4	16	,	,	PUNCT
WOS-000476239500001	4	17	funding	funding	NOUN
WOS-000476239500001	4	18	per	per	ADP
WOS-000476239500001	4	19	student	student	NOUN
WOS-000476239500001	4	20	,	,	PUNCT
WOS-000476239500001	4	21	and	and	CCONJ
WOS-000476239500001	4	22	locational	locational	ADJ
WOS-000476239500001	4	23	measures	measure	NOUN
WOS-000476239500001	4	24	.	.	PUNCT
WOS-000476239500001	5	1	we	we	PRON
WOS-000476239500001	5	2	model	model	VERB
WOS-000476239500001	5	3	unobserved	unobserved	ADJ
WOS-000476239500001	5	4	heterogeneity	heterogeneity	NOUN
WOS-000476239500001	5	5	using	use	VERB
WOS-000476239500001	5	6	random	random	ADJ
WOS-000476239500001	5	7	effects	effect	NOUN
WOS-000476239500001	5	8	estimation	estimation	NOUN
WOS-000476239500001	5	9	.	.	PUNCT
WOS-000476239500001	6	1	results	result	NOUN
WOS-000476239500001	6	2	we	we	PRON
WOS-000476239500001	6	3	find	find	VERB
WOS-000476239500001	6	4	that	that	SCONJ
WOS-000476239500001	6	5	michigan	michigan	PROPN
WOS-000476239500001	6	6	charter	charter	NOUN
WOS-000476239500001	6	7	schools	school	NOUN
WOS-000476239500001	6	8	significantly	significantly	ADV
WOS-000476239500001	6	9	underperform	underperform	VERB
WOS-000476239500001	6	10	traditional	traditional	ADJ
WOS-000476239500001	6	11	public	public	ADJ
WOS-000476239500001	6	12	schools	school	NOUN
WOS-000476239500001	6	13	in	in	ADP
WOS-000476239500001	6	14	both	both	DET
WOS-000476239500001	6	15	subjects	subject	NOUN
WOS-000476239500001	6	16	and	and	CCONJ
WOS-000476239500001	6	17	in	in	ADP
WOS-000476239500001	6	18	all	all	DET
WOS-000476239500001	6	19	three	three	NUM
WOS-000476239500001	6	20	grade	grade	NOUN
WOS-000476239500001	6	21	levels	level	NOUN
WOS-000476239500001	6	22	early	early	ADV
WOS-000476239500001	6	23	in	in	ADP
WOS-000476239500001	6	24	the	the	DET
WOS-000476239500001	6	25	study	study	NOUN
WOS-000476239500001	6	26	period	period	NOUN
WOS-000476239500001	6	27	.	.	PUNCT
WOS-000476239500001	7	1	these	these	DET
WOS-000476239500001	7	2	gaps	gap	NOUN
WOS-000476239500001	7	3	narrow	narrow	ADJ
WOS-000476239500001	7	4	considerably	considerably	ADV
WOS-000476239500001	7	5	,	,	PUNCT
WOS-000476239500001	7	6	and	and	CCONJ
WOS-000476239500001	7	7	in	in	ADP
WOS-000476239500001	7	8	some	some	DET
WOS-000476239500001	7	9	cases	case	NOUN
WOS-000476239500001	7	10	disappear	disappear	VERB
WOS-000476239500001	7	11	,	,	PUNCT
WOS-000476239500001	7	12	by	by	ADP
WOS-000476239500001	7	13	the	the	DET
WOS-000476239500001	7	14	end	end	NOUN
WOS-000476239500001	7	15	of	of	ADP
WOS-000476239500001	7	16	the	the	DET
WOS-000476239500001	7	17	period	period	NOUN
WOS-000476239500001	7	18	.	.	PUNCT
WOS-000476239500001	8	1	conclusion	conclusion	NOUN
WOS-000476239500001	8	2	michigan	michigan	PROPN
WOS-000476239500001	8	3	is	be	AUX
WOS-000476239500001	8	4	noteworthy	noteworthy	ADJ
WOS-000476239500001	8	5	among	among	ADP
WOS-000476239500001	8	6	states	state	NOUN
WOS-000476239500001	8	7	with	with	ADP
WOS-000476239500001	8	8	charter	charter	NOUN
WOS-000476239500001	8	9	schools	school	NOUN
WOS-000476239500001	8	10	for	for	ADP
WOS-000476239500001	8	11	its	its	PRON
WOS-000476239500001	8	12	deregulated	deregulated	ADJ
WOS-000476239500001	8	13	and	and	CCONJ
WOS-000476239500001	8	14	competitive	competitive	ADJ
WOS-000476239500001	8	15	charter	charter	NOUN
WOS-000476239500001	8	16	environment	environment	NOUN
WOS-000476239500001	8	17	.	.	PUNCT
WOS-000476239500001	9	1	our	our	PRON
WOS-000476239500001	9	2	results	result	NOUN
WOS-000476239500001	9	3	suggest	suggest	VERB
WOS-000476239500001	9	4	that	that	SCONJ
WOS-000476239500001	9	5	michigan	michigan	PROPN
WOS-000476239500001	9	6	charters	charter	NOUN
WOS-000476239500001	9	7	nevertheless	nevertheless	ADV
WOS-000476239500001	9	8	were	be	AUX
WOS-000476239500001	9	9	doing	do	VERB
WOS-000476239500001	9	10	about	about	ADP
WOS-000476239500001	9	11	as	as	ADV
WOS-000476239500001	9	12	well	well	ADV
WOS-000476239500001	9	13	on	on	ADP
WOS-000476239500001	9	14	the	the	DET
WOS-000476239500001	9	15	state	state	NOUN
WOS-000476239500001	9	16	's	's	PART
WOS-000476239500001	9	17	academic	academic	ADJ
WOS-000476239500001	9	18	achievement	achievement	NOUN
WOS-000476239500001	9	19	tests	test	VERB
WOS-000476239500001	9	20	as	as	ADP
WOS-000476239500001	9	21	observationally	observationally	ADV
WOS-000476239500001	9	22	comparable	comparable	ADJ
WOS-000476239500001	9	23	public	public	ADJ
WOS-000476239500001	9	24	schools	school	NOUN
WOS-000476239500001	9	25	by	by	ADP
WOS-000476239500001	9	26	the	the	DET
WOS-000476239500001	9	27	end	end	NOUN
WOS-000476239500001	9	28	of	of	ADP
WOS-000476239500001	9	29	the	the	DET
WOS-000476239500001	9	30	period	period	NOUN
WOS-000476239500001	9	31	.	.	PUNCT