HMN 2025: How Childhood experiences may hold the key to adult relationship patterns

In the field of psychology, attachment theory proposes that interpersonal experiences early in life should shape how people think, feel and behave in their close relationships in adulthood.

People with so-called “secure” attachment styles have learned that they can turn to and rely on others when they need care and emotional support. Conversely, those with “insecure” attachment styles are less confident about the quality of care and support that close friends or family will provide, which can cause friction and turmoil in their relationships. These differences can impact quality of communication, happiness, and even the long-term stability of close relationships.

A new study from the University of Minnesota, published in the Journal of Personality and Social Psychology, analyzed data from 705 individuals and their families over three decades, from infancy until they were about 30. The data came from the Study of Early Child Care and Youth Development, which has followed over 1000 people in the U.S. across their lives, gathering detailed information about their interpersonal relationships and functioning at multiple points in time.

The researchers examined the quality of individuals’ close relationships during childhood, as well as their degree of attachment security versus insecurity of their adult romantic relationships. They found:

• Positive, soothing and supportive experiences with primary caregivers play an important and lasting role in shaping secure attachments in adulthood.
• Individuals who had higher-quality relationships with their mothers in particular were more likely to develop secure relationships with their romantic partners, family members and close friends in adulthood.
• The quality of childhood friendships also forecasted the security of individuals’ romantic relationships in adulthood.
• This research provides the most rigorous longitudinal evidence to date, confirming a core tenet of attachment theory—that the quality of actual experiences with close relationships earlier in life has enduring impacts on important relationships many years later.

“This research highlights the importance of providing good, high-quality care and emotional support to children and adolescents as they develop, and it can help people become better caregivers,” said co-author Jeffry Simpson, a professor in the College of Liberal Arts.

“We were also pleasantly surprised to find that the quality of friendships, not just family relationships, early in life also had an impact on the development of secure attachments in adulthood.”

Future studies will seek to understand why some people who were insecurely attached in childhood are able to develop more secure attachments over time, and why some people who were securely attached as children become insecurely attached later in life. These studies will shed light on the critical interpersonal experiences that shape attachment security and insecurity across the lifespan.

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