In today’s climate, researchers may feel pressured to always adopt the most complex, cutting-edge research techniques. Although such techniques have advantages, they also have disadvantages. In this chapter, we walk the reader through each stage of the research process: developing research questions and hypotheses, recruiting participants, selecting a study methodology and associated statistics, and disseminating results. At each stage, we compare the relative strengths and weaknesses of what we call “Column A” approaches (i.e., relatively simple, tried-and-true research techniques) versus “Column B” approaches (i.e., newer and more complex techniques). We argue that the best overall solution, both for individual researchers and for the field as a whole, is to adopt a diverse mix of different techniques. Throughout, we consider how open science techniques might potentially aid in achieving a healthy balance between different approaches. We also suggest mechanisms whereby often-expensive Column B approaches could be made more widely accessible.

Relationship science has grown tremendously in the four-plus decades since its inauguration as a distinct social science discipline. Much has been accomplished. A deep, conceptually rich literature has begun to take shape; the field’s methodological toolbox has evolved to the point where specialized tools for studying relationships are well-known and accessible; and the importance of relationships for human health and well-being is firmly established. At the same time, further advances in knowledge and impact will require surmounting several headwinds. We outline these challenges, focusing on four general themes: the need for more cumulative, better integrated core organizing principles; fuller appreciation of the role of context and diverse relationship structures; continuing development of the field’s research methods; and the need to more effectively disseminate its findings into interventions and the public sphere. In our view, the field’s future influence will depend on its ability to meet and capitalize on these challenges.

Relationship satisfaction has major implications on individuals’ health and subjective well-being, and prominent theories in relationship research have assigned relationship satisfaction an important role. In this Handbook chapter, we first introduce conceptual perspectives on relationship satisfaction, showing that relationship satisfaction is a characteristic of both the individual and the relationship. We then provide an overview of the measurement of relationship satisfaction and discuss common affordances in its assessment. Next, we report empirical evidence on how relationship satisfaction evolves over time, showing that relationship satisfaction changes both normatively and depending on the eventual outcome of the relationship. We then report how relationship satisfaction is associated with different relationship-specific facets, such as perceptions, emotion regulations strategies, and communication styles. To conclude, we discuss a series of unresolved issues in the area of relationship satisfaction research and propose an agenda for future research, such as the usage of modern technologies.

In the present chapter, the authors offer a social exchange theory analysis of processes within intraracial versus interracial relationships. After commenting upon “the rise in intermarriage” (particularly within the United States during the past 50 years), the authors draw upon Levinger’s (1980) Acquaintance-Buildup-Continuation-Deterioration-Ending (ABCDE) model regarding stages of relationship development, highlighting several quantitative studies that examine social exchange processes at each transition or turning point between stages of intraracial and (especially) interracial relationships. Furthermore, the authors address implications of certain interdependence processes for the stability of intraracial and interracial relationships, as well as gaps in the evidence that is available concerning turning points within both types of relationships. Subsequently, the authors identify particular studies that serve as points of departure for suggestions about methodological changes and theoretical additions in future research on intraracial and interracial relationships. Finally, the authors provide examples of still-unanswered questions within the literature on interracial relationships in particular.

Relationship dissolution, or a breakup, is a common event rife with emotional and psychological consequences, and as such has increasingly become the subject of academic inquiry. Through an interdisciplinary approach encompassing empirical studies, theoretical models, and real-world implications, this chapter aims to offer a multifaceted understanding of breakup. To start, we will focus on defining breakups, considering that they are concepualized through various lenses: as a distressing life event, as a calculated decision, as a gradual process, and as an outcome metric for evaluating other relational constructs. Next, we will describe the most robust predictors of breakup, including characteristics of the partners, about the structure of the relationship, and about how the partners interact. We will next detail the process by which relationships end, how former partners cope with breakup, and what predicts post-breakup outcomes. Collectively, this chapter provides a sweeping review of the science surrounding relationship dissolution.

Given that relationship satisfaction is ultimately a cognitive phenomenon, social cognition likely plays a critical role in determining the extent to which intimates are satisfied with their relationships. This chapter begins with a theoretical description of the cognitive processes that determine relationship satisfaction. Following from this framework, the second section reviews work suggesting there are various benefits to thinking positively about one’s relationship. Nevertheless, the third section highlights work suggesting there are important limits to these benefits, such that they depend on qualities of the two partners, their relationship, and the broader context in which that relationship is embedded. The fourth section then introduces the possibility that distinguishing between controlled and more automatic forms of social cognition may offer insights into why such limits exist. The final section concludes by suggesting various directions for future research that may offer insights into how both controlled and automatic thinking shape relationship development.

Relationships are influenced by how and where they begin. This chapter focuses on the initiation of romantic and nonromantic relationships (e.g., friendships), including those initiated online. We discuss what types of people are selected as friends and romantic partners as well as the role of context in initial social interaction. First, we first explore the influence of geographic and virtual proximity in relationship initiation. Then, we offer homophily and predicted outcome value theories to understand why some people are more socially attractive than others, and why context influences social attraction. Next, we introduce social exchange and partner preference theories to explain why people are sexually and romantically attracted to others. We examine the similarities and differences between online dating and in-person romantic relationship initiation. Finally, we examine the conversational factors – both verbal and nonverbal – leading to attraction. We also discuss specific partner compatibility – that is, what makes two people "click."