Hofstede (1980) in his seminal work on culture described a set of features that influences how group of people reacts to its environment and thus differentiates group membership. In his definition of national culture, five independent dimensions were proposed in relation to national culture. They are namely; power distance, uncertainty avoidance, individualism – Collectivism and Masculinity.

http://geert-hofstede.com/the-hofstede-centre.html