. 2018 Sep 27;11(4):358–369. doi: 10.1007/s40617-018-00285-7

Table 4.

Social validity questionnaires

Preintervention participant	Postintervention participant	Preintervention parent/guardian	Postintervention parent/guardian
1. Do you think it is important to exercise and learn new PA skills? Why? 2. Do you think you will like exercising and learning new PA skills? Why or why not? 3. What do you think about using an iPad and the Exercise Buddy app to help you learn PA? 4. How do you think the Exercise Buddy app might help you to learn new exercises? 5. Do you struggle with anything when exercising?	1. Did you like watching the videos on the Exercise Buddy app to learn new PA skills? 2. Did you feel more capable with your ability to perform the PA skills you learned? 3. Did using the Exercise Buddy app help you to learn these skills? a. If it did, how do you think it helped? b. If it did not, why do you think it did not? 4. Do you think you will use these new PA skills in the future? 5. Would you want your parent/guardian to let you keep using this app? 6. Would you like to have other opportunities to continue to use this app (e.g., at the YMCA)? 7. Did you feel comfortable using the Exercise Buddy app? 8. Was there anything you did not like about using it? 9. Do you think other people would like to use the app to learn new PA skills?	1. Do you think your child will like using the Exercise Buddy app to learn new PA skills? 2. Do you think watching videos of the exercises will assist your child in learning the skills? 3. What do you think the effects of having your child use the app in the community will be? 4. What are your concerns about having your child use the Exercise Buddy app to learn new PA skills? 5.What benefits do you foresee in having your child use the Exercise Buddy app? 6. Do you think you might want to continue to allow your child to use the app in the future to learn additional skills?	Likert Scale Questions: 5 = strongly agree, 4 = agree, 3 = neutral, 2 = disagree, 1 = strongly disagree 1. Commercially available apps with video can be an effective tool for teaching PA skills to young adults with ASD. 2. The app Exercise Buddy (with video modeling) costs US$29.99 and I would choose to pay this to have my child use the program. 3. Commercially available apps such as Exercise Buddy can help my child facilitate generalization of PA skills to inclusive community settings. 4. Commercially available apps such as Exercise Buddy can help my child increase his/her ability to know how to exercise independently in inclusive community settings. Open-Ended Questions 1. What did you think about having your child use video modeling through the app to learn new PA skills? 2. Do you think the video modeling instruction was effective in teaching the skills to your child? 3. Do you think your child is more confident in his/her PA skills now? 4. Do you think it was better, worse, or equivalent to traditional methods of teaching new PA skills (i.e., without video modeling or prompting)? 5. What did you like most and least about having your child participate in this study? 6. Would you have your child use the Exercise Buddy app in the future? 7. Have you thought of any other ways you may want to use the Exercise Buddy app in the future? 8. Do you think the use of the Exercise Buddy app helped facilitate new skills in inclusive community settings? 9. Was there anything you did not like about having your child use the app? 10. Do you plan for your child to continue to participate in PA/exercise after the study? In what ways?

Preintervention participant

Postintervention participant

Preintervention parent/guardian

Postintervention parent/guardian

1. Do you think it is important to exercise and learn new PA skills? Why?

2. Do you think you will like exercising and learning new PA skills? Why or why not?

3. What do you think about using an iPad and the Exercise Buddy app to help you learn PA?

4. How do you think the Exercise Buddy app might help you to learn new exercises?

5. Do you struggle with anything when exercising?

1. Did you like watching the videos on the Exercise Buddy app to learn new PA skills?

2. Did you feel more capable with your ability to perform the PA skills you learned?

3. Did using the Exercise Buddy app help you to learn these skills?

a. If it did, how do you think it helped?

b. If it did not, why do you think it did not?

4. Do you think you will use these new PA skills in the future?

5. Would you want your parent/guardian to let you keep using this app?

6. Would you like to have other opportunities to continue to use this app (e.g., at the YMCA)?

7. Did you feel comfortable using the Exercise Buddy app?

8. Was there anything you did not like about using it?

9. Do you think other people would like to use the app to learn new PA skills?

1. Do you think your child will like using the Exercise Buddy app to learn new PA skills?

2. Do you think watching videos of the exercises will assist your child in learning the skills?

3. What do you think the effects of having your child use the app in the community will be?

4. What are your concerns about having your child use the Exercise Buddy app to learn new PA skills?

5.What benefits do you foresee in having your child use the Exercise Buddy app?

6. Do you think you might want to continue to allow your child to use the app in the future to learn additional skills?

Likert Scale Questions: 5 = strongly agree, 4 = agree, 3 = neutral, 2 = disagree, 1 = strongly disagree

1. Commercially available apps with video can be an effective tool for teaching PA skills to young adults with ASD.

2. The app Exercise Buddy (with video modeling) costs US$29.99 and I would choose to pay this to have my child use the program.

3. Commercially available apps such as Exercise Buddy can help my child facilitate generalization of PA skills to inclusive community settings.

4. Commercially available apps such as Exercise Buddy can help my child increase his/her ability to know how to exercise independently in inclusive community settings.

Open-Ended Questions

1. What did you think about having your child use video modeling through the app to learn new PA skills?

2. Do you think the video modeling instruction was effective in teaching the skills to your child?

3. Do you think your child is more confident in his/her PA skills now?

4. Do you think it was better, worse, or equivalent to traditional methods of teaching new PA skills (i.e., without video modeling or prompting)?

5. What did you like most and least about having your child participate in this study?

6. Would you have your child use the Exercise Buddy app in the future?

7. Have you thought of any other ways you may want to use the Exercise Buddy app in the future?

8. Do you think the use of the Exercise Buddy app helped facilitate new skills in inclusive community settings?

9. Was there anything you did not like about having your child use the app?

10. Do you plan for your child to continue to participate in PA/exercise after the study? In what ways?