According to Krashen's Affective Filter Hypothesis, a teacher SHOULD:

Answer choices

  1. A. Correct every student error immediately and publicly
  2. B. Use strict competition to motivate students
  3. C. Create a low-anxiety, supportive classroom environment ✓ Correct
  4. D. Focus only on grammar accuracy

Explanation

High anxiety raises the affective filter, blocking acquisition. Teachers must create safe, encouraging environments.