Concept:Assessment in EVS must be child-friendly and avoid confusing terms that students cannot understand.Explanation:Teachers should use many ways to collect information, such as observations, checklists, and group work. Keeping records right after an event helps capture accurate details. Group work can also be used for assessment. However, the language used must be simple and match what children speak at home. Using technical or formal language creates confusion and does not measure true learning. Among the given options, the one practice that must be avoided is using technical language during assessment.Answer:D. using technical language during assessment.