This document comprises seven studies focusing on the topic of “human relationships,” with at least one study allocated to each subtopic, distinguished by color-coding. Specifically crafted for preparation for the Paper 2 Higher Level (HL) Psychology IB exam, it serves as a concise yet comprehensive resource. With these seven carefully selected studies, covering all subtopics, it offers an effective means of readiness for delving into the intricacies of human relationships within the exam context. The studies are: Wedekind et al. (1995) - pheromones, attraction Buss - evolution in attraction and mate selection Markey - similarity in attraction Buss - cultural differences in looking for a partner Collins and Miller - communication, disclosure Gottman - communication, likelhood of divorce Ma-kellams and Wang - Divorce

This document consists of six studies centered on the topic of “abnormal psychology,” with at least one study allocated to each subtopic, distinguished by color-coding. Tailored for preparation for the Paper 2 Higher Level (HL) Psychology IB exam, it serves as a concise yet comprehensive resource. With these seven meticulously chosen studies, covering all subtopics, it provides an effective means of readiness for exploring the complexities of abnormal psychology within the exam framework. The studies are: Kendler et al. (2006) - twins, correlational study, genetics in MDD Risch et al. (2009) - gene Haeffel and Hames (2013) - cognitive vulnerability Beshai et al. (2012) - cognitive triad theory, cross-cultural study Nicholson et al. (2008) social inequalities in depression Ferrari et al. (2013) prevalence and incidence MDD