Final answer:
Luis is engaging in codeswitching, a normal behavior for bilingual children. It reflects his ability in both English and Spanish, signifying a positive aspect of his bilingual language development. His actions do not suggest the need for an evaluation of language impairment.
Step-by-step explanation:
The observations describe Luis as someone who is codeswitching, which is a typical and natural behavior for individuals who are bilingual. When children are exposed to multiple languages, they may switch back and forth between the languages seamlessly, reflecting their ability to function in a bilingual environment. This skill is especially notable in young children who are still in the early stages of language development, where they acquire and use words, phrases, and sentences from both languages within their linguistic repertoire.
Luis' behavior does not indicate language confusion, syntactic deficit, or the need for language impairment evaluation. Instead, his ability to use both English and Spanish demonstrates his developing bilingual proficiency. It's important to understand that for children like Luis, codeswitching demonstrates linguistic flexibility rather than a problem requiring intervention.