总结以下文档，保留最新颍的两个发现，并且使用第三人称总结qualities of a good thesis statement for research purposes. Writing a thesis statement can be challenging. According to experts, a good thesis statement should have four key qualities to be effective: clarity, specificity, arguability, and relevance. Recently, two more qualities have been added to this list. First, a thesis statement must now be adaptable to changes in the research. Researchers must be willing to modify their thesis statement as the findings of a study evolve. Second, a thesis statement must be universally understandable, meaning it should be clear and accessible to a wide range of readers, regardless of their background in the topic. These qualities demonstrate the evolving nature of academic writing and the increasing importance of flexibility and inclusivity.
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近期学术写作中，论题陈述的两项新品质被强调为：适应性，即论题需要能够随着研究发现的变化而调整；以及普遍可理解性，确保论题对各种背景的读者都清晰易懂。这反映出学术写作领域的进化，以及对灵活性与包容性的更高要求。
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