The document summarizes a study that examined the most effective techniques for correcting oral production errors among 74 students in 5 Oral Communication courses at the University of Costa Rica. Instruments including class observations, student surveys, and professor questionnaires were used. Results showed that students generally found error corrections to be useful, clear, consistent, positive, and constructive. Professors indicated covert corrections were most effective and commonly used. The conclusion encourages professors to explore different error correction strategies that suit each student group, as techniques effective for one group may differ from another.