The document provides a posttest to assess understanding of thesis statements. It contains 5 true/false questions about thesis statement characteristics. Question 1 assesses understanding that a strong thesis contains an element of uncertainty that can be proven or disproven. Question 2 assesses understanding that a thesis should introduce ideas to challenge readers rather than just state a fact. Question 3 assesses understanding that an effective thesis describes the writer's position rather than just stating a topic. Question 4 assesses understanding that a thesis should not be too general. Question 5 confirms that a thesis statement is part of an essay. The document concludes by asking students to reflect on what they have learned from the lesson.