표 3. | Table 3. 연령 및 성별 PWC 기술통계표 | Descriptive statistic results of PWC by age and gender

Age (yr;mo)	Boy M (SD)	Girl M (SD)	Sub group*
3;0～3;5	0.47 (.24)	0.46 (.29)	1
3;6～3;11	0.68 (.25)	0.63 (.26)	2
4;0～4;5	0.68 (.21)	0.65 (.19)	2
4;6～4;11	0.72 (.24)	0.75 (.25)	2
5;0～5;5	0.83 (.20)	0.82 (.24)	3
5;6～5;11	0.87 (.22)	0.94 (.10)	3, 4
6;0～6;5	0.93 (.09)	0.94 (.11)	4
6;6～6;11	0.93 (.11)	0.98 (.03)	4
7;0～7;5	0.99 (.02)	0.98 (.02)	4
7;6～7;11	1 (.01)	1 (.01)	4

homogeneous sub group by post-hoc test (Duncan).
PWC, proportion of whole-word correctness.