Screen time Mood Experiment

Overview

The purpose of this experiment was to determine if the amount of screen time affects your mood and self-reported stress level. 15 subjects were tested, six male and nine female, all within the range of 13 to 14 years old and 8th grade at Santa Barbara Middle School. Several different amounts of screen time were tested, but not on each one. Students first took a survey on their mood, they wrote their stress level on a scale of 1 to 10, and wrote a sentence about how they felt right now. After the first survey, students spent time on a variety of screens. They then took another survey to see how their mood changed. Female subjects spend less time on screens but are more affected by screens than male subjects. Half of the male subjects spent a lot of time on screens, and with some positive effects on mood and a decrease in stress level. The other half are aligned to the female subjects on the graph in our data, who were in the one to two hour range of screen time, with negative effects, and ended up more stressed and sad after screens.

Competition history

• CSEF 2026 Behavioral & Social Sciences (Junior Division) · Entry J-03-11

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