Ralph Rose presented research on speech repairs based on his Crosslinguistic Corpus of Hesitation Phenomena at the RELC annual conference in Singapore. See the link below for details.
Rose, Ralph L. (2023) Speech Repairs and Oral Fluency: What Can We Learn from L1 Speech Data?. Oral presentation at 57th RELC International Conference (SEAMEO Regional English Language Center).
https://www.relc.org.sg/facilities/conferences-events-2023