Assessment – the act of gathering information on a daily basis in order to understand individual student’s learning needs.
“In the context of language teaching and learning, assessment refers to the act of collecting information making judgement about a language learner’s knowledge of a language and ability to use it.”
Testing – procedures that are based on tests. In learning it is a salient part of assessment.
Language Testing – the practice and study of evaluating the proficiency of an individual in using a particular language effectively.
Measurement – testing that result in quantitative data such as attendance, records, questionnaires, teacher ratings of students, etc.
Evaluation – the culmination act of interpreting the information gathered for the purpose of making decisions or judgement about student’ learning and needs, often at reporting time. It forms as part of assessment.