What best describes a language achievement test?

A language achievement test is designed to measure the language skills that an individual has already acquired and learned over a specific period. This type of test evaluates a test-taker's proficiency in various language areas, such as vocabulary, grammar, listening, speaking, reading, and writing, based on the curriculum or standards that have been taught.

This approach provides a snapshot of the test-taker's current language ability, reflecting their understanding and application of the language in various contexts. In contrast to predictive tests, which aim to forecast future language proficiency based on certain indicators, or developmental assessments that monitor ongoing growth and progress in language learning, the achievement test focuses solely on what the learner has already accomplished.

Understanding the nature of language achievement tests is significant for educators and language practitioners who seek to assess learners accurately at a given point in time, ensuring that they can tailor instruction to address any gaps in knowledge or skills.