Question：Which three of the following would you consider to be relevant to the social part of the PEST model?
　　A. Effect of unemployment on demand.
　　B. Analysis of the population by age group.
　　C. Religious affiliation and practices.
　　D. Changes in leisure pursuits.
　　E. Changes in safety legislation.
　　F. Volatility of interest rates.
　　The correct answers are: Analysis of the population by age group; Changes in leisure pursuits; Religious affiliation and practices.
　　解析：The six categories of the PEST model are not sealed off from one another and some basic environmental issues may be relevant to more than one category.
　　For, example, unemployment is an important economic variable but is likely to have effects on people's attitudes and *, so it also has social and political implications. Similarly, legislation can affect economic and social activity.
　　Nevertheless, the options given in this question were worded to make their classification fairly clear.