표 1. | Table 1. 참여자 집단의 연령, 성별 및 수용어휘 점수 | Age, gender, and receptive vocabulary score of participants

Age (yr;mo)	Boy	Girl	Total	REVT-R M (SD)
3;0～3;5	17	25	42	28.21 (10.32)
3;6～3;11	28	28	56	32.95 (10.96)
4;0～4;5	39	40	79	43.42 (12.84)
4;6～4;11	38	36	74	49.59 (11.08)
5;0～5;5	29	38	67	56.60 (12.51)
5;6～5;11	33	38	71	64.60 ( 9.47)
6;0～6;5	29	38	67	68.49 (10.65)
6;6～6;11	18	15	33	78.64 (10.76)
7;0～7;5	19	14	33	85.42 (11.72)
7;6～7;11	6	7	13	95.77 (12.92)
Total	256	279	535

REVT, Receptive & Expressive Vocabulary Test.