A Spanish-speaking English learner reads "ship" as "chip" and "shoes" as "choose." Which explanation best accounts for this pattern?
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Answer: C
The student has not yet learned that English words can begin with consonant blends: /ʃ/ and /tʃ/ are single phonemes, not blends; blends are not the issue here.
The student is confusing the letters s and c because both can represent the sound /s/: The substitution is of sounds (/ʃ/ to /tʃ/), not a letter confusion between s and c.
Spanish generally lacks /ʃ/ as a phoneme, so the student substitutes /tʃ/: Correct. Phonemes absent from the first language are often replaced with the closest L1 sound, a predictable transfer pattern.
The student has a speech disorder that should be referred for a language evaluation: A predictable L1-based substitution is a normal developmental pattern, not evidence of a disorder.
Compare L1 and English phoneme inventories: sounds missing in L1 are commonly replaced by the nearest L1 sound.