# Danielle Dionne, Ph.D.

Dr. Danielle Dionne is a Learning Scientist at Duolingo. She has a PhD in Linguistics and specializes in sociolinguistics and language variation.

[**Wer entscheidet, was in einer Sprache „richtig“ oder „falsch“ ist?**](https://blog.duolingo.com/wer-entscheidet-was-korrekte-sprache-ist/)

[**Cuando hablamos de idiomas, ¿quién decide qué es “correcto”?**](https://blog.duolingo.com/que-es-correcto-idiomas/)

[**100년 후의 영어는 어떤 모습일까요?**](https://blog.duolingo.com/changes-english-language/)

[**When it comes to language, who decides what’s “correct”?**](https://blog.duolingo.com/language-discrimination/)

[**7 faits étonnants sur les langues à glisser dans n’importe quelle conversation**](https://blog.duolingo.com/sept-faits-incroyables-sur-les-langues/)

[**Fun-Facts: Mit diesen 7 Fakten beeindruckst du in jedem Gespräch**](https://blog.duolingo.com/sieben-interessante-sprachfakten/)