Analyzing Organizational Strategy in Argumentative Structure

Read the following excerpt from a rhetorical analysis of an essay arguing for educational reform:

"The author utilizes a strategic organization that begins with personal anecdotes, gradually transitioning into statistical evidence, ensuring that the audience remains engaged throughout. This layered approach not only captivates the reader but also builds credibility as the argument progresses. By concluding with a call to action, the author reinforces the urgency of the issue, creating a powerful climax for the argument. Such structure exemplifies the effective use of pathos, logos, and ethos, appealing to the audience's emotions, logic, and ethical considerations at pivotal moments throughout the essay."

Based on this analysis, which organizational strategy best describes the author's method of structuring the argument?