Robert Has Developed a Favorable Attitude Toward a Brand of Stationery

Robert has developed a favorable attitude toward a brand of stationery known as Impress because the brand is eco-friendly and promotes sustainability. He has since learned, through his own research, that Impress also engages in fair trade practices. Robert's attitude formation is an example of _____.

A) attitude formation based on emotions
B) central-route processing
C) the endowment effect
D) the sleeper effect
E) normative influence