Table 4.

Range of music-based tools used to evaluate the effect of music therapy interventions

Author	Group/individual	Design	Number of participants	Age, years	Sex	Music-centered scale or observation
Boso et al60	Group	One group	N = 8	23–38	F = 1; M = 7	Musical skills (playing scales, singing melody, and reproducing rhythm)
Kim et al21	Individual	Repeated measures within subject design	N = 10	3–5	M = 10	Musical synchrony (observation)
Thompson et al18	Individual with family	Randomized controlled trial	N = 21; treatment (n = 11); control (n=10)	3–6	Not reported	The Music Therapy Diagnostic Assessment

Abbreviations: F, female; M, male.