They say cell phones are portable and available 24 hours a day, and like anything, if we go overboard it can become a problem.
Their study also suggests that factors such as materialism and impulsiveness might play a big role in tipping cell phone use into an addiction.
They say their study showed materialistic people viewed cell phones as public signifiers of status or power.
Authors suggests that an impulsive user's need to do something quickly and repeatedly seems to be pacified when texting.
The study appears in the Journal of Behavioral Addictions.