Students exposed to polluted air on exam day receive lower grades

A study in London found that students exposed to higher levels of indoor air pollution, specifically PM 10, before exams tend to score lower. The research involved 2,418 students and 11,443 exams, revealing that increased PM 10 levels can significantly decrease test scores. Recommendations include limiting outdoor activities on polluted days and choosing less polluted routes to school.

What was the main focus of the study conducted in the greater London urban area?

• The effect of noise pollution on student concentration

• The influence of diet on student health

• The role of technology in education

• The impact of air pollution on student exam scores

How many students participated in the study mentioned in the transcript?

• 5,000 students

• 10,000 students

• 2,418 students

• 1,000 students

What is the effect of a one unit increase in PM 10 levels indoors on student test scores?

• Increase by 5 percentage points

• Decrease by 8.055 to 2.230 percentage points

• Increase by 2 percentage points

• No change in scores

What PM 10 level was found to reduce student test scores by 3.41 percentage points?

• 100 micrograms per cubic meter

• 50 micrograms per cubic meter

• 60 micrograms per cubic meter

• 75 micrograms per cubic meter

What advice is given to students regarding outdoor activities on polluted days?

• Only study indoors

• Ignore pollution levels

• Limit outdoor activities and choose less polluted routes

• Increase outdoor activities