Reports of social change within society can involve concepts that have not been, or cannot be, tested empirically, which means they lack scientific credibility
Many of the research studies providing an explanation for social change, such as those conducted by Asch, Milgram and Moscovici, can themselves be criticised for issues in their methodology ranging from low generalisability to demand characteristics
Can affect the economy by saving money for the NHS as fewer people will need treatment for food/obesity related illnesses and employers will benefit by having their staff take less time off work
Today, homosexuality is widely recognised and accepted with the majority of British people supporting new changes to the law on both gay marriage and adoption by same sex parents