This document contains an achievement test given to students to assess their knowledge of grammar concepts like nouns, pronouns, adjectives, prepositions, verbs, and conjunctions. It provides the answers from 10 students and calculates the difficulty and discrimination indices for each test item to analyze item performance and identify questions that may need improvement. The analysis found that question 2 was the easiest, question 9 was the most difficult and had negative discrimination, and question 9 would be prioritized for elimination.