Speech-language pathologists frequently use single word and connected speech tests to assess children's speech production.
McLeod, S., & Verdon, S. (2014). A review of 30 speech assessments in 19 languages other than English. American Journal of Speech-Language Pathology, 23(4), 708-723. doi: 10.1044/2014_AJSLP-13-0066
Intelligibility in Context Scale User Guide
Information about creation of Speech Participation and Activity Assessment of Children (SPAA-C)