Montana Buntragulpoontawee, Jeeranan Khunachiva, Patreeya Euawongyarti, Nahathai Wongpakaran, Tinakon Wongpakaran, Atcharee Kaewma, Stephen Ashford
Investigating psychometric properties of the arm activity measure - Thai version (ArmA-TH) sub-scales using the Rasch model
BMC medical research methodology
problematic smartphone use prevalent children study aimed evaluate reliability validity chinese version smartphone addiction proneness scale saps recruited 319 students aged 9 12 years including 70 attentiondeficithyperactivity disorder subjects university hospital 249 controls elementary school finally 164 males 138 females collected data analysis mean age 1099 088 years item analysis exploratory factor analysis internal consistency test test performed verify reliability validity sapschinese version correlations examined relation score sapschinese version diagnostic statistical manual mental disorders fifth edition diagnostic criteria factor analysis showed two factors problematic useassociated behaviors impaired daily functions item analysis every item sapschinese version showed significant differences values p 0001 high correlation items r 037079 kaisermeyerolkin kmo equal 094 bartletts test sphericity significant p 0001 cronbachs sapschinese version 093 revealed high reliability validity sapschinese version reliable valid suitable clinical research uses satisfactory properties applying modified sapschinese version offers early detection problematic smartphone use