TCK research · 6 min read
Third culture kids and fear of commitment: what the research says
Going deep fast, then pulling back right when it matters, is a pattern a lot of TCKs recognise in themselves. Here's what the actual research found - and what it didn't.
1. The study that named the pattern
In 2014, researchers Agnes Lijadi and Gertina van Schalkwyk published a qualitative study in The Qualitative Report that asked ten TCKs to tell the story of their own relationship patterns, using a visual storytelling method called the Collage Life Story Elicitation Technique [1]. The goal was to understand how TCKs themselves made sense of commitment and holding back in their social relationships, during both childhood and adolescence.
Thematic analysis across the ten interviews surfaced a consistent pattern: a struggle to build intimacy, companionship, and deep friendships, real difficulty maintaining relationships over time, and - in the study's own words - “a possible fear of commitment.”
2. Why reticence develops in the first place
The explanation Lijadi and van Schalkwyk's participants offered, and one that lines up with the foundational TCK literature, is straightforwardly protective rather than pathological[3]: when every close relationship in a mobile childhood eventually ends in a move, investing fully in the next one means signing up for a loss you already know is coming. Holding back is a reasonable response to that math - not a mysterious flaw.
That protective habit is easier to understand next to the broader research on TCK loss. Kathleen Gilbert's work on grief among TCKs found that the losses involved in each move are real but rarely recognised as grief by the people around the child [5]. Grief that's never processed doesn't just disappear - for many adult TCKs, it resurfaces as exactly this: a learned wariness about getting close, long after the specific losses themselves have been forgotten.
3. How identity and commitment connect
A more targeted 2015 doctoral dissertation tested whether a specific identity state - identity moratorium, where someone is actively exploring their identity but hasn't settled it - could be explained by cross-cultural childhood experience, mediated by relativistic thinking (the tendency to see values and beliefs as relative rather than absolute) [2].
The result was a genuine null finding, and it's worth taking seriously precisely because it complicates the simple story: cross-cultural experience itself was not significantly linked to identity moratorium, and wasn't significantly linked to relativistic thinking either. What was linked was moratorium and relativistic thinking to each other - just not to the cross-cultural childhood that was hypothesised to cause both.
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Research comparing how third culture individuals describe their own identity found a majority describing it as multicultural - belonging to several cultures at once - rather than confused [4]. That matters here because confusion and unresolved identity are often assumed to be the engine behind fear of commitment, and most TCKs in that research didn't report feeling confused at all.
Put the three findings together and the honest picture is: a documented pattern of relational reticence exists and is recognisable to many TCKs [1]; the mechanism commonly assumed to cause it (cross-cultural experience → unresolved identity) didn't hold up in the one study that tested it directly [2]; and most TCKs don't describe their identity as confused to begin with [4]. Fear of commitment in TCKs looks like a real pattern for some, shaped more by specific experiences of loss than by being a TCK in itself.
5. What actually helps
Separate the pattern from the identity
- "I learned to hold back because closeness used to end in a move" is a specific, workable thing to notice. "I'm just bad at commitment" is not - and the research doesn't support that framing anyway.
Watch for the specific moment, not just the general fear
- The reticence described in the research tends to show up right when things are going well - noticing that moment is more useful than trying to feel less afraid in the abstract.
Don't wait for identity to feel "finished"
- Most TCKs describe their identity as multicultural, not confused - and the dissertation above found no solid link between cross-cultural experience and unresolved identity in the first place. Readiness for commitment doesn't require first resolving "where you're from."
What actually makes relationships last, with the full research →
Frequently asked questions
Is fear of commitment common in third culture kids?+
The best available evidence is a 2014 qualitative study of ten TCKs, which found a recurring theme of difficulty building intimacy and deep friendships, trouble maintaining relationships, and what the researchers called "a possible fear of commitment." That's a thematic finding from ten interviews, not a measured rate - it tells us the pattern is real and recognisable, not how common it is across all TCKs.
Why would growing up as a TCK lead to fear of commitment?+
The leading explanation is self-protection learned early: when every close relationship in childhood eventually ends in a move, some children learn to hold a little back from new relationships, as insurance against a loss they've already learned is coming. It's an adaptive response to a mobile childhood, not a character flaw.
Does TCK identity status affect commitment in relationships?+
A 2015 doctoral dissertation tested a more specific version of this question directly - whether identity moratorium (an unresolved, still-exploring identity state) in adult TCKs was explained by cross-cultural experience or by relativistic thinking. It found no significant link between cross-cultural experience and identity moratorium, and none between cross-cultural experience and relativistic thinking either - though moratorium and relativistic thinking were linked to each other. In plain terms: having moved around a lot doesn't, on its own, predict an unresolved identity.
Does every third culture kid struggle with commitment?+
No - and the research is explicit that outcomes vary by person. Studies of TCK identity have found several different outcomes within the same small samples, not one universal pattern. Fear of commitment is a documented pattern among some TCKs, not a defining trait of the group.
Why we built it this way: what the science says makes relationships last →
References
The two most specific studies here are a 10-person qualitative study and a single doctoral dissertation - both named with their sample sizes throughout, not generalised beyond what they tested.
- [1] Lijadi, A. A. & van Schalkwyk, G. J. (2014). Narratives of Third Culture Kids: Commitment and Reticence in Social Relationships. The Qualitative Report, 19(25), 1-16. https://nsuworks.nova.edu/tqr/vol19/iss25/1
- [2] Melles, E. A. (2015). No One Can Place Me in a Box: Exploring the Identity Status of Adult Third Culture Kids. Doctoral dissertation, University of Oklahoma. https://shareok.org/items/b4618a35-ba25-4af5-9b3a-a81974ff362b/full
- [3] Pollock, D. C., Van Reken, R. E. & Pollock, M. V. (1999; 3rd ed. 2017). Third Culture Kids: Growing Up Among Worlds. Nicholas Brealey. https://openlibrary.org/search?q=Third+Culture+Kids+Growing+Up+Among+Worlds
- [4] Moore, A. M. & Barker, G. G. (2012). Confused or multicultural: Third culture individuals' cultural identity. International Journal of Intercultural Relations, 36(4), 553-562. https://doi.org/10.1016/j.ijintrel.2011.11.002
- [5] Gilbert, K. R. (2008). Loss and Grief between and Among Cultures: The Experience of Third Culture Kids. Illness, Crisis & Loss, 16(2), 93-109. https://doi.org/10.2190/il.16.2.a