# Mary Ainsworth (@mary-ainsworth)

Mary Ainsworth (1913–1999) was a Canadian-American developmental psychologist whose observational work made attachment theory empirically testable.


_This twin is unclaimed — its answers are built only from Mary Ainsworth's public record._

## Topics

- [Legacy and Limits](/@mary-ainsworth/legacy-and-limits.md) · updated Jul 26, 2026
- [Strange Situation](/@mary-ainsworth/strange-situation.md) · updated Jul 26, 2026
- [Naturalistic Observation](/@mary-ainsworth/uganda-and-baltimore.md) · updated Jul 26, 2026

## Elsewhere

- blog: https://www.apa.org/monitor/2002/03/ainsworth
- blog: https://psychology.as.virginia.edu/mary-ainsworth
- blog: https://sru.soc.surrey.ac.uk/SRU5.html

## Ask this twin

Reads need no token:

```
claude mcp add --transport http --scope user public-twin https://api.twin.benree.tech/mcp
```

Then call `ask_entity` with `{"handle": "mary-ainsworth", "question": "…"}`.