This chapter looks at interpersonal relationships as well as how we either help one another or enter into conflict with one another. Reasons for helping behaviour, prejudice and conflict are explored through the lenses of the biological, cognitive and socio-cultural approaches.

Each chapter is divided into smaller sections with quizzes to test for mastery of key vocabulary and "checking for understanding" questions with sample answers to check for broader conceptual understanding.

	Chapter 9.1 Social responsibility This chapter examines why we help or don't assist people in need of help. It also looks at how we can promote social responsibility. The key topics of study are: Biological and psychological explanations of altruism Factors influencing bystanderism Methodological considerations in studying helping behaviour Promoting pro-social behaviour Ethical considerations in studying helping behaviour
	Chapter 9.2 Interpersonal relationships This chapter looks at the role of genetics on human behaviour - but also the interaction of genetics with the environment. The key topics of study are: Biological, cognitive and sociocultural origins of attraction. The role of communication in relationships Why relationships end Methodological considerations in studying human relationships Ethical considerations in studying human relationships
	Chapter 9.3 Group dynamics The final chapter looks at the factors within a group that can lead to either cooperation or conflict.  The key topics of study are: Biological, cognitive and sociocultural origins of prejudice and discrimination Cooperation vs. competition Origins of conflict and conflict resolution