표 1. | Table 1. 분석 논문 자료의 특성 | Characteristics of included studies that were considered of acceptable quality

Achievement	Subjects	Applied software	Analysis (purpose)	Method of therapeutic interventions
Lee et al. (2016)	Experts	AR	To verify the contents validity	Contents validity
Lee et al. (2016)	Children with speech sound disorders	VR	To develop App.	To develop App.
Hwang et al. (2017)	Experts	AR	To verify lexical validity with comparing 2 groups’ results	Contents validity
Ahn et al. (2016)	Children with intellectual disabilities	AR	To investigate the effects of treatment program on the improvement of verbal ability	CBT
Ahn et al. (2018)	Four children with intellectual disabilities	AR	To investigate the effects of verbal expression intervention	CBT
An et al. (2016)	Patients with expressive aphasia	AR	To investigate whether speech therapy program is effective in improving the naming and functional communication ability	CBT
Bae et al. (2018)	Children with specific language impairment	AR	To develop platform	To develop platform
Bae et al. (2018)	Children with cochlear implant	AR	To investigate the therapeutic effect	CBT
Jang et al. (2016)	Patients with aphasia	AR	To select vocabularies and evaluate the validity and reliability of selected vocabularies	Contents validity
Kang et al. (2016)	Autism spectrum disorder	VR	To understand the general trends and to present basic information	Literature review
Kim et al. (2018)	Children with language developmental delay	AR	To examine how therapy influences vocabulary improvements	CBT
Kim et al. (2018)	Children with specific language impairment	AR	To identify the effects of verbal acquisition	CBT
Kim et al. (2018)	Children with autistic disabilities	AR	To investigate the effects of speech therapy intervention program on interrogatives	CBT
Kim et al. (2018)	Normal children	AR	To confirm the usefulness of using AR stimuli for speech sampling	CBT
Lee et al. (2018)	Children with expressive language delay	AR	To investigate the effects of treatment program for verbal expression	CBT
Lim et al. (2016)	App. user	AR	To develop App.	To develop App.
Shin & Kim (2018)	Experts	VR	To develop speech-language disorder training system	To develop App.
Kim et al. (2020)	Patients with broca’s aphasia	AR	To investigate the effects of program providing multi-sensory information on the acquisition of the verbs	CBT
Ryu et al. (2020)	Patients with aphasia	AR	To determine whether intervention program is useful to improve sentence comprehension and repetition skills	CBT
Kim, J. Y. (2021)	Patients with brain lesion	VR	To investigate VR research trends in the field of brain lesion rehabilitation	Literature review
Kang et al. (2022)	Communication disorders	AI	To figure out research trends in the field of communication disorders	Literature review
Son et al. (2022)	Children with ADHD	VR	DTx development for ADHD diagnosis	To diagnosis

AR, augmented reality; VR, virtual reality; App, application; ADHD, attention deficit hyperactivity disorder; CBT, cognitive behavioral therapy; DTx, digital therapeutics.