Table 2.

Weibull variable values and comparisons.

	A. Weibull variable values (Mean sd)			B. Weibull pair-wise comparisons
	Low performers	Medium performers	High performers	LP–MP	LP–HP	MP–HP
N60	8.3(2.1)	15.6(1.7)	23.8(4.8)	*	**	**
N∞	13.40(30.2)	26.71(13.65)	50.41(19.89)	ns	‡‡	‡‡
τ	36.6(0.1)	52.71(41.51)	72.02(43.29)	ns	‡	ns
γ	0.2(0.5)	0.29(0.12)	0.27(0.09)	ns	ns	ns
β	1.1(0.2)	1.06(0.34)	1.11(0.19)	ns	ns	ns
η	0.7(0.2)	0.69(0.19)	0.76(0.11)	ns	ns	ns

*MP more words than LP, p < 0.001, **HP more words than MP or LP, both p < 0.005. ^‡‡HP greater than LP and MP, both p < 0.001; ^‡HP greater than LP, p < 0.05.