Table 4.

Studies Reported on Childhood Apraxia of Speech Disorder

Reference	Tools	Age	Target Population	Region
Strand el al. [79]	Evaluation of Motor Speech Skill (DEMSS).	3–6 years and seven months children	81	Columbia (English)
Preston el al. [66]	Ultrasound images.	children between 9–15 years	6	North America (English)
Barrett et al. [8]	Connected Speech Transcription Protocol (CoST-P).	children aged 6–13 years	12	Sydney
Terband et al. [82]	Acoustic models.	3- to 6-year-old and 6- to 10-year-old	8 and 10	-
Shahin et al. [73]	Technology-based therapy tools (Tabby Talks).	4–16 years; 4–10 years	2; 705	Qatar
Murray et al. [53]	Multivariate discriminant function analysis.	4–12 years	72	Sydney
Abdou et al. [3]	Test battery	-	70	Arabic