Changes in and Effects of Anxiety on English Test Performance in Chinese Postgraduate EFL Classrooms

Table 2

Characteristics of instruments.

Phase	Measures	No. of items	Reliability	Mean item-total correlation ()
Phase 1 (N = 324)	ELCAS	36	0.956	0.602
	Debilitating Anxiety Scale (DAS)	10	0.885	0.617
	Facilitating Anxiety Scale (FAS)	9	0.797	0.486
Phase 2 (N = 324)	ELCAS	36	0.878	0.39
	Debilitating Anxiety Scale (DAS)	10	0.901	0.652
	Facilitating Anxiety Scale (FAS)	9	0.799	0.488