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Evaluation
Evaluation as we all know is something that we do as part of our
everyday lives. If we are involved in any activity, we normally know which aspect of it is going well and which is not and why. We can then say that we are evaluating the activity. In the classroom too, if you ask yourself the question, ‘Did all students participate in the class? or Did some students find it difficult?’ you probably know the answer. If you do, then you have been evaluating your own teaching. Evaluation, then, is quite a natural activity, something that we normally do as a part of our everyday work. This we do consciously or unconsciously and formally or informally. It is not something that we always do consciously and systematically. It is commonly believed that evaluation is the same as testing and that when students are taking a test or exam, we are evaluating them. Testing is only one aspect of evaluation and that evaluation involves more than just testing student outcomes. When we carry out assessment or administer a test, we measure the performance of students and the results of such a procedure may determine whether a learner moves into a higher class or may inform us how well s/he has performed in the test. Assessment is also made towards the end of a course to find out what the learner has learnt. It therefore has a limited perspective with focus on the product of learning, while evaluation focuses on the means and is intended to serve the learning process. A teaching-learning context includes all the factors that contribute to the learning process such as the syllabus/objectives, materials, methodology, teacher input/performance and student input/performance. These are all part of the curriculum and must be evaluated to get a complete, holistic picture of the whole process. Therefore evaluation involves examining the various aspects of the teaching-learning process to get a better understanding of what is not effective, what is more effective and what appears to be of no use at all. In order to do this, evaluation must focus on both the means(process) and the product of the teaching-learning process. Evaluation that focuses on monitoring the on-going development of a course is known as formative evaluation. Such an evaluation involves getting information/feedback about the various aspects of the programme, during the course itself. On the other hand, Summative evaluation focuses on the overall outcome i.e., the end product of a programme which usually tends to involve tests and measurements. Information from evaluation is usually used to decide whether students have passed the course or not, as in our final exams. How should we evaluate It is desirable that we study as many factors as possible that contribute to teaching-learning in order to get a holistic picture of the situation. One point that emerges when we talk about the on going nature of teaching and evaluation is that both are inextricably linked with each other and that one feeds into the other. In fact, it is difficult to say when one stops and the other begins. Therefore one significant feature of classroom evaluation which is essentially within a formative mode is that of feedback. We are perhaps only too familiar with how even class tests/exams (of language ability) have always tended to serve the function of summative assessments. That is, scores on a 100 mark paper pencil test are awarded for tasks which only reflect a product orientation. Qualitative descriptions focussing on on-the-way skills or on the different steps the learner takes to complete the task are seldom a part of a class test. Discussions of how a student has performed, where s/he has gone wrong and why, what will fetch a better score i.e., how exactly s/he can improve the skill, get a low priority compared to the main job of teachers, as we very well know , is syllabus completion! Giving feedback for developing language skills seems only secondary and incidental. On the contrary we are here stressing the utmost value of feedback for evaluation in the classroom. The second question that arises is that of the modes or means we should adopt for evaluating the different factors. Many of us use these quite often in our day-to-day teaching. These could be informal as well as formal means of evaluation. What are the different modes available to the teacher? Classroom observations, diaries, journals, questionnaires, checklists, quizzes, tests etc. are all we know. These could be broadly seen as measurement-based methods, e.g. tests, quizzes, checklists; and descriptive data-based methods e.g. classroom observations, diaries, journals. These could be used to evaluate any of the factors affecting classroom processes. For example, the teacher might want to evaluate his/her own teaching – the kinds of interventions/inputs s/he provides – for learning to happen. Or s/he may look at the interactions/processes that are generated as a result of the inputs. Testing Language Ability Testing involves, quantification of attitudes and abilities, sometimes called traits or constructs, which can only be observed indirectly. These attitudes include characteristics such as aptitude, intelligence, motivation, field dependence, independent attitude, native language, fluency in speaking and achievement in reading comprehension. Knowing how well a learner has performed or learned in a programme of study is an integral part of education. In fact without a proper knowledge of where the learner was, how far s/he has got, how far s/he can go, s/he won’t be encouraged to continue. Therefore testing/appraisal or stock-taking is inextricably linked with learning teaching. This is also known as Achievement Testing. Types of Test 1) Summative/Final exams 2) Progress Tests 3) Proficiency Tests 4) Entry/Placement Tests 5) Diagnostic Tests
Summative/Final exams: are administered at the end of a course to
find out student achievement i.e., how much and how well students have learnt to use the language. While these exams are effective for certification purposes and to decide whether students can move on to a higher level, a lot of information that a summative test can provide is often wasted, because it does not feedback into the learning process. These tests put a lot of stress on teachers and students and may not tap the full potential of students. Progress Test: Another kind of achievement test which aims to find out, on an on-going basis, information about how well classes as a whole and individual students have worked in the test. These in our school/college contexts are the unit tests, half yearly/annual exams which are class based and which teachers conduct during the course. These can provide a great deal of information about the objectives(how realistic they are), materials used (appropriacy, interest, challenge), methodology/strategies used (techniques, class organisation, interaction) and student outcomes (sub-skills, writing/reading strategies) not only to the teacher but also to the student when linked with self-assessment, feedback can help learners to identify their own problems and to set their own goals for the future. Proficiency tests: aim to describe what students are capable of doing regardless of any training they might have had in the language. They enable students to have some proof of their ability which other Boards/Universities/Potential employers can use for their own purposes. Although the tests are not based on the content of a particular course, they may exercise considerable influence over the method and content of language courses in general and on courses that are taught for such professional tests. For example, coaching classes for trainning learners in taking, say, the Test of English as a Foreign Language (TOEFL) or the International English Language Testing System (IELTS ), may have a beneficial or a harmful backwash effect, depending on the content and format of the test. Entry/Placement tests: will indicate at which level a learner will learn most effectively in a situation where there are different levels and streams. The aim is to produce groups which are homogenous so that teacher time can be used most efficiently. However, the need for these tests can be questioned on the grounds that students learn best where there are learners of different abilities in a class which can be exploited through cooperative/collaborative learning . Diagnostic tests: as the name suggests, are used to find out students’ problem areas as well as areas of strength. Diagnostic information is vital for teachers in order to design further remedial activities. This information can also be useful for learners as they can analyze their own strengths and weaknesses. General Considerations in Testing • Bias for test • Test those abilities that you want to develop in class. • Make tests as direct as possible • Make testing criterion-referenced. • Grade tests wherever possible. • Ensure that the testing method/format is familiar to students.