Yes, it does...definitely. Social media can help in making the cognitive and con native parts of the overall consumer attitude. Interesting study. Good luck.
Yes Chaubey Ji, social media is having deep impact on every aspect of life. It has power to divert the attitude, it has power to influence, it has developed indirect control on society. It is performing all managerial function.
Yes, social media influences consumerism. Having a product on social media applications like Instagram and Twitter reaches to audiences and possible consumers all over the world. It is a form of communication that is needed to strengthen the growth of an organization, bringing about growth and better business opportunities.
People tend to become more open and frank, a behaviour which is not seen in real life. This behaviour makes the consumers to tell the real experience with product/services. This quite obviously influence the consumer behaviour.
For effective study I hope you are conducting a before-after study.