The STAMP Monolingual assessments include instructions, questions, and prompts all in the target language. It may be used to accurately assess the proficiency of heritage speakers in world language programs, or in a bilingual or multicultural environment. In the latter case, learners should have an Intermediate Reading level, or above, in the testing language. The STAMP assessment was developed for learners of a second language and who have English skills at the Intermediate level or above.