wakha

The science

Learning a few words: no brain boost, a better encounter

The idea that learning a language sharpens the adult brain does not survive a careful meta-analysis. What a few words of Darija do is change the conversation, and that part rests on experience more than on studies.

Evidence: Weak

Strong evidence against an adult "bilingual brain" boost; studies of tourists using a few local words are few and qualitative.

What the studies show

A 2018 meta-analysis of 152 studies found that the small advantages of bilingual adults on thinking tests vanished once publication bias was corrected.

Language stays abroad improve speaking fluency most reliably, but those are semester-length stays, and whether they beat good classroom learning is unclear.

Studies of tourists using a few local words are few and qualitative: knowing the local language is described as opening doors, not knowing it as a barrier.

In Morocco

Moroccans speak Darija day to day, with Amazigh languages in many regions, and French and Spanish widely in shops and cities. Salam, shukran (thank you), wakha (OK), bshhal? (how much?) and la, shukran (no, thank you) go a long way, and a laugh at your accent is a good start.

Where it stops

  • We don't claim a few phrases make you smarter or protect your brain.
  • "People respond warmly to a few words of Darija" is our experience, not a finding.
Sources, checked 2026-11-14
  1. Lehtonen et al. (2018). Is bilingualism associated with enhanced executive functioning in adults? A meta-analytic review. Psychological Bulletin 144(4)
  2. Freed, Segalowitz & Dewey (2004). Context of learning and second language fluency in French. Studies in Second Language Acquisition 26(2)
  3. Wikipedia: Languages of Morocco

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Plan it

Darija phrases30 phrases for the taxi, souk and tableWakha in DarijaFor Moroccans travelling at home

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