2. Someone says: "After introducing a new grading system, student performance increased by 20%." What information is most important?

🌷 A) How was performance measured before and after?
🌷 B) How much time passed between measurements?
🌷 C) Who introduced the system (principal, parents, students)?

Answer with reactions:
🍓 - A
💊 - B
🎃 - C