(Skinner and Allen, 1982), and SSAGA interviews (Bucholz et al., 1994). We computed the average frequency and intensity over eight symptoms that measure PAWH: i) shakes (hands tremble, shake inside); ii) feel tense, nervous or anxious; iii) feel fidgety or restless; iv) have trouble concentrating v) heart pound or beat rapidly; vi) feel hypersensitive to stimuli (e.g. light, sound, touch); vii) have difficulty sleeping; and viii) have memory problems.
