Table 1.

Value estimated from different previous works

Reference	Gender	${\alpha }_{\text{mean}}$	${\alpha }_{min}$	${\alpha }_{max}$
Hillenbrand et al. in (47) (English)	Male	0.27	0.25	0.33
	Female	0.258	0.25	0.33
Pätzold (48) (German)	Male	0.28	0.26	0.30
	Female	0.29	0.25	0.31