GAD1 and anxiety disorder: This time interval for detection reveals another strength of the CESA, since other scales for anxiety disorders usually limit the appearance of the symptoms to recent weeks, for example: OASIS to the past week (Norman et al., 2006); GAD-7 to the last 2 weeks (Spitzer et al., 2006); and the Mini-SPIN to the last week (Seeley-Wait et al., 2009).