Aptitude tests are not typically used to measure language proficiency. They are used to assess an individual's potential for learning a language.

Proficiency tests are designed to measure an individual's ability to use a language in real-world situations. They typically assess all four language skills: listening, speaking, reading, and writing.

Essays are not typically used as a format for language tests. They are more commonly used for assessing writing skills in a language.

Diagnostic tests are designed to identify an individual's strengths and weaknesses in a language. They can be used to develop a personalized learning plan for the individual.

Grades are not typically used as a type of scoring for language tests. They are more commonly used for assessing academic performance in a language course.

Achievement tests are designed to assess an individual's progress in learning a language. They are typically administered at the end of a language course or program.

Written proficiency tests are not typically used for children, as they may not have the necessary writing skills to complete the test.

Oral interviews are used to assess an individual's ability to understand spoken language, produce spoken language, and interact with others in a language.

The Duolingo English Test is not typically used for adults, as it is designed for English learners who are at a beginner or intermediate level.

Listening comprehension tests are designed to assess an individual's ability to understand spoken language. They typically involve listening to a recording and answering questions about the content of the recording.

IELTS is not typically used for business professionals, as it is designed for English learners who are seeking to study or migrate to an English-speaking country.

Reading comprehension tests are designed to assess an individual's ability to understand written language. They typically involve reading a passage and answering questions about the content of the passage.

TOEFL is not typically used for healthcare professionals, as it is designed for English learners who are seeking to study or migrate to an English-speaking country.

Writing tests are designed to assess an individual's ability to produce written language. They typically involve writing an essay or a letter.

IELTS is not typically used for teachers, as it is designed for English learners who are seeking to study or migrate to an English-speaking country.