Table 4 Social Validity Survey Results for the AR App-Based Verb Vocabulary Intervention

Item Question Content Mean Range
1 “I believe that the AR app-based verb vocabulary intervention conducted in this study was helpful in improving the child's verb vocabulary acquisition.” 5.0 5-5
2 I believe that the intervention procedures (e.g., attention focusing, tablet usage instruction, correct and incorrect response handling) were clear and easy to understand. 4.6 4-5
3 I believe this program was effective in supporting the child's acquisition of verb vocabulary. 5.0 5-5
4 I believe that the use of the AR app effectively increased the child's motivation and interest in learning vocabulary. 5.0 5-5
5 I believe that the intervention method used in this study is more useful than other vocabulary learning methods. 5.0 5-5
6 I feel that the steps presented during the intervention process (11 steps in the first session, 10 steps from the second session onward) were organically connected. 5.0 5-5
7 I would be willing to apply this program to other children or in other educational settings. 5.0 1-5
8 I believe that the resources required for the intervention (e.g., tablet, AR app) can be easily made available in both educational and home settings 3.8 3-5
9 The intervention is expected to lead to improvements in the child's communication skills (specifically, the use of verbs) in real-life situations. 5.0 5-5
10 I believe that the duration and frequency of the intervention were appropriate and did not place an excessive burden on the child 5.0 5-5
11 Overall, I feel that this intervention was effective and could be expanded for broader application 5.0 5-5
12 Open-ended: If you have any suggestions for improvement or additional comments regarding this program (e.g., intervention steps, implementation process), please write them below.
Overall average 4.85