This document discusses collaborative writing and describes a study where students worked together on writing assignments. It defines collaborative writing as the joint production of a text by multiple authors. By working together, students can draw on each other's strengths, such as one student excelling at critical thinking and another at organizing. The study had students collaboratively create a graphic organizer about an argumentative letter on whether bugs should be included in school lunches. Students then worked together to write an introduction for the letter before individually writing the body and conclusion. The student's participation in the collaborative activities allowed the teacher to assess the student's collaboration, communication, and critical thinking skills. The teacher concluded collaborative writing is an effective way for students to improve these skills.