Dr Sian Lloyd-Williams


Dr Sian Lloyd-Williams

Lecturer in Education

School of Education

Contact Details


Siân started her current lecturing position in the department of Education at Aberystwyth University in September 2012.

Additional Information

Enquiry in Schools

September 2021/March 2022        Evidence Informed Profession Group – Welsh Government

2020 - Present             Collaborative Research Network: Welsh Language and Bilingual Education

2020 - Present               Aberystwyth University Lead National Proffesional Enquiry Programme

2014 – 2018                    Masters in educational Practice (MEP) 


Module Coordinator


National Masters - Advanced Research and Enquiry Skills 

Siân has contributed and has coordinated a variety of undergraduate modules including:

AD14320 - Datblygiad Iaith / ED14320 Language Development

AD13620 - Sgiliau Allweddol i Brifysgol / ED13620 - Key Skills for University

AD20120 - Seicoleg Dysgu a Meddwl / ED20120  Psychology of Learning and Thinking

AD20620 - Gweithio gyda Plant / ED20620 - Working with Children

AD33640 - Traethawd Hir / ED33600 Dissertation


Siân's personal research includes aspects relating to bilingualsim and multilingualism, language acquisition, assessment, language awareness and various aspects related to the maintenance of the Welsh language.

Siân is also heavily involved in several projects looking at enquiry in schools and projects aiming to develop an Evidence Informed Proffesion within the Education Sector.


Director of Research for the School of Education

Office Hours (Student Contact Times)

  • Thursday 09:00-13:00


Thomas, E, Binks, H & Lloyd-Williams, S 2024, The acquisition of Welsh morphosyntax. in The acquisition of Celtic languages. Cambridge University Press.
Davies, P, Waters-Davies, J, Underwood, C, Lloyd-Williams, S, Ward, A & Evans, R 2022, Exploring the impact of the COVID-19 pandemic on learners in Wales. Llywodraeth Cymru | Welsh Government. <https://hwb.gov.wales/professional-development/the-national-strategy-for-educational-research-and-enquiry-nsere/research-studies-on-the-impact-of-the-covid-19-pandemic-on-the-welsh-education-system/research-study-2/>
Evans, R, Lloyd-Williams, S, Chapman, S & Davies, P 2021, 'On lives, on learning: Online: A study of the lived experiences of stakeholders in the education sector in mid-Wales during the COVID-19 pandemic.'.
Lloyd-Williams, SW & Thomas, EM 2012, '"How do I answer thee? Let me count the ways!": bilingual acquisition of the multiple forms of the yes / no answering system in Welsh', Paper presented at Celtic Linguistics Conference, Rennes University, Rennes, France, 22 Jun 2012 - 23 Jun 2012.
Lloyd-Williams, S & Thomas, EM 2012, 'Bilingual acquisition of opaque structures in Welsh: the case of the Welsh answering system', British Association of Applied Linguistics International Conference, Southampton University, Southhampton, United Kingdom of Great Britain and Northern Ireland, 06 Sept 2012 - 08 Sept 2012 pp. PS116. <http://www.llas.ac.uk/baal2012>
More publications on the Research Portal