Type 2-A written answer used as a review or informal assessment of previously taught knowledge and/or abilities. Teachers may provide a specific topic or prompt based on what students have learned, as well as a time limit—typically 5–10 minutes. Students are expected to write answers that follow the guidelines provided. Type 2-B written answer that requires extended writing on a subject chosen by the teacher. Typically longer than 20 minutes and often including detailed examples from texts or original research. These essays are intended to test student understanding of concepts and skills beyond those addressed in a typical lecture session. They are usually assigned once a week over the course of several weeks or months. Type 2-C written statement making a critical analysis of some aspect of contemporary society. Data for analysis come from primary sources (such as books, magazines, newspapers, audio recordings, video clips, etc.) or secondary sources (such as historical archives or sociological studies). The analysis can be presented in narrative form with supporting evidence, or it can be included in an academic paper. Usually require research into various topics within their scope, including definitions of terms used in the analysis, and presentation of the results in a concise yet convincing manner. Type 2-D written argument outlining the reasons for believing that your view is correct regarding a question that has been raised by another viewpoint or perspectives.