He then became interested in philosophy, and earned a Ph.D. in philosophy from Harvard University in 1918 with a dissertation entitled "Continuity: Study in Methodology".
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	3	nsubj	3:nsubj|4:nsubj:xsubj|9:nsubj	Discourse=joint-sequence_m:6->3:2|Entity=(6-person-giv:act-cf1*-1-ana-Yuen_Ren_Chao)
2	then	then	ADV	RB	PronType=Dem	3	advmod	3:advmod	_
3	became	become	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
4	interested	interested	ADJ	JJ	Degree=Pos	3	xcomp	3:xcomp	_
5	in	in	ADP	IN	_	6	case	6:case	_
6	philosophy	philosophy	NOUN	NN	Number=Sing	4	obl	4:obl:in	Entity=(18-abstract-new-cf2-1-coref)|SpaceAfter=No|XML=<ref target:::"https://en.wikipedia.org/wiki/Philosophy"></ref>
7	,	,	PUNCT	,	_	9	punct	9:punct	_
8	and	and	CCONJ	CC	_	9	cc	9:cc	Discourse=joint-sequence_m:7->3:2
9	earned	earn	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	conj	3:conj:and	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	11:det	Entity=(19-abstract-new-cf3-2-sgl
11	Ph.D.	Ph.D.	NOUN	NN	Abbr=Yes|Number=Sing	9	obj	9:obj	XML=<ref target:::"https://en.wikipedia.org/wiki/Doctor_of_Philosophy"></ref>
12	in	in	ADP	IN	_	13	case	13:case	_
13	philosophy	philosophy	NOUN	NN	Number=Sing	11	nmod	11:nmod:in	Entity=(18-abstract-giv:act-cf2-1-coref)19)
14	from	from	ADP	IN	_	16	case	16:case	_
15	Harvard	Harvard	PROPN	NNP	Number=Sing	16	compound	16:compound	Entity=(20-organization-new-cf4-1,2-coref-Harvard_University|XML=<ref target:::"https://en.wikipedia.org/wiki/Harvard_University">
16	University	University	PROPN	NNP	Number=Sing	11	nmod	11:nmod:from	Entity=20)|XML=</ref>
17	in	in	ADP	IN	_	18	case	18:case	_
18	1918	1918	NUM	CD	NumForm=Digit|NumType=Card	9	obl	9:obl:in	Entity=(21-time-new-cf9-1-sgl)|XML=<date when:::"1918"></date>
19	with	with	ADP	IN	_	21	case	21:case	_
20	a	a	DET	DT	Definite=Ind|PronType=Art	21	det	21:det	Entity=(22-abstract-new-cf8-2,7,9-sgl
21	dissertation	dissertation	NOUN	NN	Number=Sing	9	obl	9:obl:with	_
22	entitled	entitle	VERB	VBN	Tense=Past|VerbForm=Part	21	acl	21:acl	_
23	"	''	PUNCT	``	_	24	punct	24:punct	SpaceAfter=No|XML=<q>
24	Continuity	Continuity	PROPN	NNP	Number=Sing	22	xcomp	22:xcomp	Entity=(23-abstract-new-cf5-1,3,5-sgl|SpaceAfter=No
25	:	:	PUNCT	:	_	26	punct	26:punct	_
26	Study	Study	PROPN	NNP	Number=Sing	24	appos	24:appos	Discourse=elaboration-additional:8->7:0|Entity=(24-abstract-new-cf6-1,3-sgl
27	in	in	ADP	IN	_	28	case	28:case	_
28	Methodology	Methodology	PROPN	NNP	Number=Sing	26	nmod	26:nmod:in	Entity=(25-abstract-new-cf7-1-sgl)24)23)|SpaceAfter=No
29	"	''	PUNCT	''	_	24	punct	24:punct	Entity=22)|SpaceAfter=No|XML=</q>
30	.	.	PUNCT	.	_	3	punct	3:punct	_
