1. Outcome measures used in sound therapy trials.
| Outcome measure | Veale 1993 | Rimland 1995 | Bettison 1996 | Zollweg 1997 | Edelson 1999 | Mudford 2000 | Corbett 2008 |
| Aberrant Behaviour Checklist | ✔* | ✔* | ✔*** | ✔* | ✔*,** | ||
| Developmental Behaviour Checklist: parent, teacher (Einfeld 1995) |
✔ | ||||||
| Autism Behaviour Checklist | ✔ | ||||||
| Conners' Rating Scales ‐ Parent | ✔ | ✔ | |||||
| Nisonger Child Behaviour Rating Form ‐ Parent (Aman 1996) |
✔ | ||||||
| Fisher's Auditory Problems Checklist ‐ Parent | ✔ | ✔ | ✔ | ||||
| Leiter International Performance Scale | ✔ | ✔ | |||||
| Peabody Picture Vocabulary test | ✔† | ✔‡ | |||||
| Vineland Adaptive Behaviour Scores | ✔ | ||||||
| Reynell Language Developmental Scales III: a) expressive language b) comprehension |
✔ | ||||||
| Sensory problems checklist | ✔ | ||||||
| Hearing sensitivity questionnaire (HSQ) | ✔ | ||||||
| Sound sensitivity questionnaire (version of HSQ) | ✔ | ||||||
| Pure tone discomfort test | ✔ | ✔ | |||||
| Ear occlusion | ✔ | ||||||
| P300 event‐related brain potentials | ✔ | ||||||
| Loudness discomfort levels | ✔ | ||||||
| Autism Diagnostic Observation Schedule‐Generic | ✔ | ||||||
| Stanford‐Binet Intelligence Scale‐Fourth Edition | ✔ | ||||||
| Expressive One Word Vocabulary Test | ✔ |
* parent, ** teacher, *** other, † L, M forms, ‡third edition