... compare the scores in the two pretest groups, to ensure that the randomization process was effective These checks evaluate the efficiency of the randomization process and also determine whether the ... write, “I late the school for the bad weather.” The teacher would write the sentence as, “I was late for school because the weather was bad.” With the corrected text in hand, students have the opportunity ... chapter, the background literature relating the topic is provided Specifically, the notion of grammar, grammar kinds and attitudes to grammar instruction are summarized and reviewed Additionally, the...