The key answer of exercise 6
The key to exercise solutions in chapter 7 - Vital statistics for the textbook Outcomes Advanced - Student's Book with authors Carol Nuttall and Amanda French from National Geographic Learning
Question
Work in pairs. Discuss the questions.
Answer
Two other variables that may affect studies into the relationship between gaming and bad behaviour:
- level of education, class or income
- amount of hours played
Two examples of causal links that have been conclusively proved:
- smoking and cancer
- poverty and (ill)health
- education and economic performance
Two things that have not yet been proved because of conflicting evidence:
- fat and heart disease
- prison sentences and crime