From: The validity and reliability of Persian version of smartphone addiction questionnaire in Iran
Subscale | Question | CVR | Simplicity CVI | Appropriateness CVI | certainty CVI |
---|---|---|---|---|---|
Daily life disturbance (q1-q5) | Missing planned work due to smartphone use | 1 | 1 | 1 | 1 |
Having a hard time concentrating in class, while doing assignments, or while working due to smartphone use | 0.8 | 0.8 | 0.8 | 0.8 | |
Experiencing lightheadedness or blurred vision due to excessive smartphone use | 0.8 | 1 | 1 | 1 | |
Feeling pain in the wrists or at the back of the neck while using a smartphone | 1 | 1 | 1 | 1 | |
Feeling tired and lacking adequate sleep due to excessive smartphone use | 1 | 1 | 1 | 1 | |
Positive anticipation (q6-q13) | Feeling calm or cozy while using a smartphone | 0.8 | 1 | 1 | 1 |
Feeling pleasant or excited while using a smartphone | 0.8 | 1 | 1 | 1 | |
Feeling confident while using a smartphone | 0.8 | 1 | 0.6 | 1 | |
Being able to get rid of stress with a smartphone | 0.8 | 1 | 0.8 | 1 | |
There is nothing more fun to do than using my smartphone. | 0.8 | 1 | 1 | 1 | |
My life would be empty without my smartphone. | 0.8 | 1 | 1 | 1 | |
Feeling most liberal while using a smartphone | 0.6 | 0.8 | 1 | 1 | |
Using a smartphone is the most fun thing to do. | 1 | 1 | 1 | 1 | |
Withdrawal (q14-q19) | Won’t be able to stand not having a smartphone | 0.8 | 1 | 0.8 | 1 |
Feeling impatient and fretful when I am not holding my smartphone | 0.8 | 1 | 1 | 1 | |
Having my smartphone in my mind even when I am not using it | 0.8 | 0.8 | 0.8 | 1 | |
I will never give up using my smartphone even when my daily life is already greatly affected by it. | 1 | 0.8 | 1 | 0.8 | |
Getting irritated when bothered while using my smartphone | 0.6 | 1 | 0.8 | 1 | |
Bringing my smartphone to the toilet even when I am in a hurry to get there | 0.8 | 0.8 | 0.8 | 1 | |
Cyberspace oriented relationship (q20-q26) | Feeling great meeting more people via smartphone use | 0.6 | 0.8 | 0.8 | 1 |
Feeling that my relationships with my smartphone buddies are more intimate than my relationships with my real-life friends | 0.6 | 0.8 | 0.8 | 1 | |
Not being able to use my smartphone would be as painful as losing a friend. | 0.8 | 1 | 1 | 1 | |
Feeling that my smartphone buddies understand me better than my real-life friends | 0.8 | 1 | 0.8 | 1 | |
Constantly checking my smartphone so as not to miss conversations between other people on Telegram or Instagram | 1 | 1 | 1 | 1 | |
Checking SNS (Social Networking Service) sites like Telegram or Instagram right after waking up | 1 | 1 | 1 | 1 | |
Preferring talking with my smartphone buddies to hanging out with my real-life friends or with the other members of my family | 1 | 0.8 | 1 | 1 | |
Overuse (q27-q30) | Preferring searching from my smartphone to asking other people | 0.8 | 1 | 0.8 | 1 |
My fully charged battery does not last for one whole day. | 0.8 | 1 | 1 | 1 | |
Using my smartphone longer than I had intended | 0.8 | 0.8 | 0.8 | 1 | |
Feeling the urge to use my smartphone again right after I stopped using it | 1 | 1 | 0.8 | 1 | |
Tolerance (q31-q33) | Having tried time and again to shorten my smartphone use time, but failing all the time | 1 | 1 | 1 | 1 |
Always thinking that I should shorten my smartphone use time | 1 | 1 | 1 | 1 | |
The people around me tell me that I use my smartphone too much. | 1 | 1 | 1 | 1 |