Relationship research, made human

Understanding
human connection
starts here.

From attachment theory to everyday conflict, Interpersona translates research on personal relationships into insights you can actually use, in plain language.

Explore the research Browse the archive

Our Mission

Why relationships matter

The people closest to us shape our days more than almost anything else: how safe we feel, how we meet stress, and how we recover when life goes wrong. Yet most of the research that explains those connections is written for other researchers, in language few readers would choose.

"From weak ties to close relationships, every human connection shapes who we become."

Interpersona exists to close that gap. We read relationship research carefully and explain it plainly: what was studied, what it found, what it cannot prove, and what it might mean for ordinary life. We also keep an archive of relationship research volumes, reachable at the addresses their citations use.

Explore

The topics that matter most

All topics
A
Attachment
How early bonds form a relationship blueprint, and how much of it can change in adult life.
Explore attachment C
Communication
How we talk, listen, misread and repair, from daily conversation to high-conflict moments.
Explore communication R
Romantic Relationships
Love, attraction and long-term commitment, and what research says about why relationships thrive or fail.
Explore romantic relationships D
Dating and Online Dating
Profiles, first messages, speed dating and algorithms: what the studies found about meeting people now.
Explore dating F
Friendship and Family
Weak ties, close friends, parents and siblings: the full web of connection, romantic and beyond.
Explore friendship and family S
Sexuality and Intimacy
Desire, sexual motives and closeness, covered the way researchers study them: plainly and matter-of-factly.
Explore intimacy

Latest

Research insights

All explainers
Illustration of two hands holding phones, connected by a thread of light, symbolising a reply between partnersFeatured
Attachment

Your responses guide me: when replies ease attachment anxiety

Johnson and Bliwise built a relationship online, reply by reply, and watched attachment anxiety fall. What the study found, what it cannot prove, and why it still matters.

Research explainer · Johnson and Bliwise
Illustration of a vintage computer showing two dating profile cards with hearts, beside a stack of research papers
Online Dating

Online dating, by the research: Whitty and Carr revisited

One of the most cited early maps of internet romance, read again in the app era. What still holds, what has dated, and what it got surprisingly right.

Research explainer · Whitty and Carr (2006)
Sexuality and Intimacy
Why we want sex: a brief history of measuring sexual motives
Hatfield, Luckhurst and Rapson
Romantic Relationships
Dutton et al. (2009): the study the citations keep returning to
From the archive, explained
From the Archive
Volume 5, Issue 2: the most cited issue in the archive
Archive · Most cited issue
Romantic Relationships
Mixed-race couples, in the research and in the citations
Research explainer

Self-Reflection

How do you
connect?

A short self-reflection drawn from attachment research: ten questions about how you respond when the people close to you feel far away.

For reflection. Your answers stay in your browser.

Start the self-reflection
When someone you care about does not reply quickly, you typically...

A Practical Guide

When reading
is not enough

Research can explain a pattern. It cannot sit with you while you change it. If you are thinking about couples therapy, the useful first step is knowing what good couples therapy looks like and what to ask before you book.

Read the free guide
This guide is free to read. A future therapist directory on this page will list real, verified practitioners, clearly labelled.

Look for specific training

Couples work is a specialisation. Ask about training in an established approach, such as EFT or the Gottman Method, and about experience with your actual issue.

Check the register, not the reviews

In Ontario, psychotherapists are registered with the CRPO. In the UK, look for BACP or UKCP. In the US, state licensure. Registers can be checked in minutes, and a real practitioner expects you to check.

Use the first session as an interview

Both partners should feel heard, neither should feel ganged up on, and the therapist should explain how they work and what progress would look like.

Online is a real option

For couples work especially, video sessions remove the scheduling barrier that kills consistency. The research on outcomes is broadly reassuring.

Archive

The archive, kept reachable.

An archive of relationship research volumes, kept reachable at the addresses their citations use.

Vol. 5 · Issue 2
Volume 5, Issue 2
The most externally cited issue in the archive
Vol. 5 · Issue 1
Volume 5, Issue 1
From the archive
Vol. 4 · Suppl. 1
Volume 4, Supplement 1
From the archive
Full archive
All volumes and PDFs
Issues, contents pages and full texts
Browse the archive

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Every two weeks: one piece of relationship research, translated into something genuinely useful.

1
Research summaries written for general readers
2
New self-reflection tools as they are published
3
Archive volumes restored and announced as they land
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