Question- What is the purpose of diagnostic evaluation in education?

Ans.

The purpose of diagnostic evaluation in education is to help identify problems with a certain instruction style and provide insights into improvement that can be done in the quality of delivery. Diagnostic assessments in education help educators understand their student's strengths, weaknesses, knowledge level and skill set prior to beginning instruction. To make it more comprehensible or lucid to understand, if a teacher wants to start a lesson on two digit multiplication with young pupils, they can use diagnostic assessment to make sure the lesson is delivered well. The teachers will want to understand if the student's have grasped fact families, member place values and one-digit multiplication before moving on to more complicated questions.

The diagnostic assessments thus collect data on what the student's already known about a specific subject or topic. If we wish to teach pronouns to class 3 students, it is first to be seen whether their knowledge about nouns is sound or intact.

Overall, many diagnostic evaluation/assessment tools can be used to assess the level of students' understanding. Some of such tools are: journals, quiz/test, posters, performance tasks, mind maps, word splash, graffiti walls, parallel activity, formal assessment etc.

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