What is the term for an error caused by lack of knowledge of a language item?

• A. Error
• B. Cloze
• C. Topic sentence
• D. Learning style

Answer: (A)

When a learner uses a form because they don’t know the correct way to use it, that’s an error. It reflects a gap in knowledge of how the language item works, often showing up as a systematic deviation in the learner’s interlanguage. For example, using “goed” instead of “went” signals that the correct irregular past tense form hasn’t been learned yet. This is different from a mistake, which would be a one-off slip even though the learner knows the rule. The other options don’t fit because a cloze is a type of exercise where you fill in missing words, a topic sentence concerns paragraph structure, and learning style is about how someone prefers to learn—not about a lack of knowledge of a language item. So the best term for this situation is an error.