Understanding Screen Time and Its Effects

What is a common perception about screens and social media according to the introduction?

• They are beneficial for mental health.

• They have no impact on our lives.

• They are essential for education.

• They are ruining our lives.

What does a p-value of less than 0.05 indicate in a study?

• The result is statistically significant.

• The result is likely due to chance.

• The result is guaranteed to be true.

• The result is not statistically significant.

What does the correlation coefficient measure?

• The average age of study participants.

• The likelihood of a result being due to chance.

• The strength of the link between two variables.

• The number of participants in a study.

What is a key limitation of statistical significance?

• It does not measure the strength of an effect.

• It measures the strength of an effect.

• It indicates the cause of an effect.

• It guarantees the effect is important.

Why is it important to consider why a correlation exists?

• To find the exact p-value.

• To ensure the correlation is significant.

• To identify the cause of the correlation.

• To determine the sample size needed.

What did a 2019 study find about life satisfaction and social media use?

• Life satisfaction is unrelated to social media use.

• Lower life satisfaction leads to more social media use.

• Higher life satisfaction leads to more social media use.

• Social media use has no effect on life satisfaction.

What is a potential issue with large-scale studies?

• They always produce false positives.

• They can identify significant but trivial effects.

• They are too expensive to conduct.

• They always have small sample sizes.

What did the 2019 study published in Nature Human Behavior find?

• Eating potatoes improves mental health.

• Wearing glasses has no effect on well-being.

• Wearing glasses and eating potatoes had small negative effects on well-being.

• Screen time is the only factor affecting well-being.

What do mixed findings in studies suggest about screen time?

• The effects of screen time are complex and not fully understood.

• Screen time has no effect on mental health.

• Screen time is beneficial for everyone.

• Screen time is universally harmful.

What should you do when you see headlines about screens destroying kids?

• Read beyond the headline to understand the effect size.

• Assume they are always false.

• Ignore them completely.

• Believe them without question.