A developmental psychologist who stresses the importance of the social clock would be likely to agree that:

Nothing

To find the answer to this question, we need to understand what the term "social clock" means and why a developmental psychologist might emphasize its importance. The social clock refers to the culturally determined expectations and milestones that individuals are expected to achieve at certain points in their lives. These expectations often include goals such as completing education, starting a career, getting married, having children, and retiring.

A developmental psychologist who focuses on the social clock would likely agree that adhering to these societal norms and expectations is important for healthy development and overall well-being. They would argue that meeting these milestones provides individuals with a sense of stability, fulfillment, and social acceptance. Additionally, they might emphasize that deviating from the social clock may lead to feelings of dissatisfaction, alienation, or social disapproval.

To further support this view, the developmental psychologist would likely provide research findings and evidence from studies that highlight the benefits of following the social clock. These studies may show that individuals who adhere closely to these expectations tend to have better social and psychological outcomes, stronger social networks, and higher levels of life satisfaction.

It is important to note, however, that there are differing perspectives within developmental psychology, and not all psychologists may agree on the importance of the social clock. Some might argue that strict adherence to societal expectations can limit personal autonomy, creativity, and individuality. They might contend that individuals should be able to define their own paths and timelines for achieving their goals, rather than feeling pressured to conform to external norms.

Therefore, to fully understand the viewpoint of a particular developmental psychologist on the importance of the social clock, it would be necessary to consult their writings, research, or interviews, as individual psychologists may have differing opinions on this topic.