The findings shed light on the reasons why some people are so attached to their smartphones and mobile technology, while others are less so.

Researchers from the Temple University in the US set out to determine if people who report heavier mobile technology use might also have different tendencies towards delaying gratification than others, or might exhibit individual differences in impulse control and in responding to rewards.

For the study, 91 undergraduate students completed a battery of questionnaires and cognitive tests. They indicated how much time they spent using their phones for social media purposes, to post public status updates, and to simply check their devices.

Each student's tendency to delay gratification in favour of larger, later rewards (their so-called intertemporal preference) was also assessed.

They were given hypothetical choices between a smaller sum of money offered immediately or a larger sum to be received at a later time.

Participants also completed tasks that assessed their ability to control their impulses. Finally, participants' tendencies to pursue rewarding stimuli were also assessed.

The results provide evidence that people who constantly check and use their mobile devices throughout the day are less apt to delay gratification, researchers said.

The findings were published in the journal Psychonomic Bulletin and Review.

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