IBDP Psychology Chapter 8 Notes

psychology of human relationship


These notes have specially been curated by expert teachers to simplify and enlighten concepts given in IB Psychology HL. The notes are comprehensive in nature and are sufficient to study the chapter in depth and one need not look for other resources beyond the notes provided on our website which can be accessed for free. The notes for Psychology of Human Relationships IBDP HL are available on our official website and can be downloaded for free. You are one click away from obtaining all that you need to score well in IB Psychology HL. 

The material made available on Tychr’s website is available for all IBDP subjects and is specially curated after an extensive amount of effort to ensure that the notes are in consonance with the IB curriculum and are an amalgamation from various textbooks prescribed by the IBO. Students often face a challenge understanding concepts, especially concepts that are new and tricky, these IB Psychology Notes will help the student cover the chapter of Psychology of Human Relationships entirely while explaining every concept in a detailed and easy way.

The chapter on the Psychology of Human Relationships explains the factors responsible for the formation of relationships like attractiveness, hormones, major histocompatibility complex, social exchange theory and Rusbult’s investment model of commitment. Darwin’s theory of evolution and natural selection is also explained briefly. Further ahead, Attribution theory by Heider and self-disclosure are described as aspects that affect communication within a relationship. This is followed by various models of relationship breakdown to give a basic understanding of why relationships change or end.

The chapter also explains prosocial behavior and Hamilton’s Kin Selection Theory, Reciprocal Altruism model and Baston’s Empathy Altruism Theory. Next, we have bystanderism which explains why the people who are bystanders do not extend assistance when they witness certain offenses. There is also a mention of various ways in which prosocial behavior should be promoted through schools and positive parenting styles. The chapter also talks about the origin of conflict and the methods of conflict resolution. Kriesberg explains the basic types of behavior that arise from conflict.

We also discuss what ‘group’ means and what is ‘competition’ and ‘cooperation’. The Theory of Cooperation and Competition given by Deutsch is followed by the Game Theory explaining how individuals cooperate in a competitive environment.