Smartphone and tablets users are quite similar in their behavior, but not identical. Heres a graph by Nielsen that summarizes the differences: Smartphones are our primary shopping companions.
Taylor & Francis Online.
Smartphone ownership has increased among teens within the last decade, with up to 89% of adolescents owning a smartphone and engaging daily with the online world through it.

Furthermore, visual representations like the one above help us fully grasp the concept of Smartphones And Online Behavior.
Addictive Smartphone Behavior and Physical Health. Smartphone Use and Social Anxiety. Stress, Subjective and Psychological Well-Being, and PSU.
The report studies consumer behavior towards online purchases of smartphones in Delhi-NCR. It provides an overview of the growing Indian e-commerce industry and models of consumer behavior.

Experience sampling is often used to study everyday behavior (i.e., daily social interactions and activities). In the laboratory, behavior is best studied using direct behavioral observation (e.g., video recordings). In the real world, this is, of course, much more difficult.
That being said, there are also quite a few negative consequences and/or problematic personality traits associated with certain online behaviors. Below you will find a collection of some of the most common activities people engage in on their smartphones and what psychological problem is...
objectively logged smartphone behavior data and daily mobile. diary assessments of subjective experiences, we found that a one-. week notication-disabling intervention did not aect smart-. phone behavior (i.e. checking frequency and screen time).