March 2026 · Assessment
Washback (or backwash) is the influence that tests have on teaching and learning. Every test creates washback — the question is whether it's positive (encouraging good teaching practice) or negative (distorting teaching into narrow test preparation). Understanding washback helps you design tests that improve learning rather than undermine it.
Positive washback occurs when a test encourages desirable teaching behaviors: if a speaking exam motivates teachers to include more speaking practice, that's positive washback. If a test includes authentic reading tasks, teachers will expose students to authentic texts. IELTS's inclusion of academic writing tasks has improved academic writing instruction worldwide.
Negative washback occurs when a test narrows the curriculum: if a grammar-focused exam leads teachers to drill grammar at the expense of communication, that's negative washback. Multiple-choice-only exams encourage guessing strategies rather than production skills. Tests with predictable formats lead to mechanical preparation rather than genuine learning.
Test what you want teachers to teach. If you value communicative competence, include speaking and interactive tasks. If you value critical thinking, include analysis questions. If you value writing, include extended writing tasks. The test format signals to teachers what matters.
Use varied task types: don't rely solely on multiple choice. Include production tasks (writing, speaking), interaction tasks (role-plays, discussions), and authentic input (real texts, natural speech). Test integrated skills (reading-into-writing, listening-into-speaking) rather than isolated skills.
Teaching to the test is only problematic when the test doesn't reflect good learning outcomes. If your test genuinely measures communicative competence, then teaching to it IS teaching communicative competence. Align test content with curriculum goals, and "teaching to the test" becomes "teaching the curriculum effectively."
High-stakes tests affect entire institutions: course design, material selection, teacher training, and resource allocation. When a new national exam is introduced, entire school systems shift. Be intentional about what your tests signal: if you design school-wide assessments, you're shaping how every teacher teaches.
You can't change IELTS or Cambridge exams, but you can design classroom assessments that balance their limitations. If the external exam is all written, add classroom speaking assessments. If it's multiple choice, add production tasks in your own tests. Help students see exam preparation as one part of broader language learning.
Absolutely. Students focus on what's tested. If vocabulary is tested through context use, students learn vocabulary in context. If vocabulary is tested through isolated translation, students memorize word lists. Student study strategies mirror test design.