Psychology relates to business when it comes to issues of advertisement, human resources management and sales. Psychology deals with the study of the human mind and behavior, which is essential to business.
Having a deeper understanding of how the human mind works and why people behave in a certain manner can help businesses come up with better marketing strategies. If the human mind is attracted to bright colors, a business may decide to use these to catch people's attention.
The success of a business greatly depends on its workforce. Psychology helps managers know exactly how to manage those under them to achieve the best possible results for all projects undertaken. Psychology equally helps in coming up with solutions to consumers' problems.