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What Actually Helps Reduce Loneliness? A Look at the Evidence

A meta-analysis of loneliness-reduction programmes found that addressing distorted social thinking outperformed simply increasing opportunities for social contact.

Study title: What Actually Helps Reduce Loneliness? A Look at the Evidence — Masi, C. M., Chen, H.-Y., Hawkley, L. C., & Cacioppo, J. T., Personality and Social Psychology Review, 2011

Study type: Meta-analysis
Population: Adults across 50 loneliness-intervention studies, spanning various ages and settings including older adults and students
Published: 2011
Evidence confidence: Moderate confidence

The short version

Programmes that helped people rethink negative social assumptions reduced loneliness more than programmes that just added social opportunities.

Why it matters

This suggests that loneliness is not always solved by simply adding more social opportunities; for some people, the more effective path may involve addressing overly negative expectations or interpretations of social interactions, such as assuming rejection before it happens.

The question

Which types of interventions are most effective at reducing loneliness: increasing social contact, improving social skills, providing social support, or addressing maladaptive social thinking?

How it was studied

A meta-analysis of 50 intervention studies, grouped into four strategy types — enhancing social skills, increasing opportunities for social contact, providing social support, and addressing maladaptive social cognition (i.e., correcting overly negative interpretations of social situations) — comparing their effect sizes on reducing loneliness.

What they found

Interventions that targeted maladaptive social cognition produced the largest reduction in loneliness, with a notably larger effect size than the other three approaches. Interventions that simply increased opportunities for social contact, the most commonly used strategy, tended to produce the smallest effects.

Limitations

The included studies varied substantially in design, quality and follow-up length, and few used long-term follow-up to see whether reductions in loneliness were sustained. The category of "maladaptive social cognition" interventions was based on a smaller number of studies than the social-contact category, which makes its stronger effect somewhat less certain.

What it may mean

In real life

If joining clubs or attending more events hasn't eased a lingering sense of loneliness, this research suggests the missing piece might be less about opportunity and more about how you're interpreting the interactions you already have.

Try this

Next time you assume a friend is annoyed with you or uninterested, without clear evidence, pause and consider one alternative explanation before acting on the assumption.

Evidence confidence

Moderate confidence

This is a well-regarded, frequently cited meta-analysis, but the strongest finding rests on a smaller subset of studies, and intervention research in this area still lacks large, long-term, well-controlled trials.

Source

Masi, C. M., Chen, H.-Y., Hawkley, L. C., & Cacioppo, J. T. (2011). What Actually Helps Reduce Loneliness? A Look at the Evidence. Personality and Social Psychology Review.

Peer-reviewed · Full text may be paywalled · Last reviewed 2026-08-14

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One study isn't the whole storyOne study gives us a piece of the picture. Selfey looks for patterns across the broader evidence rather than treating a single finding as a rule.

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Selfey research briefs are educational summaries, not medical advice, diagnosis or treatment. Research describes patterns across groups; it cannot tell you what is right for your situation.

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