progressive trial

简明释义

逐级加速试车递增速率试验

英英释义

例句

1.The researchers conducted a progressive trial to evaluate the effectiveness of the new drug.

研究人员进行了一个渐进式试验来评估新药的有效性。

2.Participants in the progressive trial reported varying levels of side effects.

参与渐进式试验的人员报告了不同程度的副作用。

3.In a progressive trial, participants may receive increasing doses of the medication over time.

在一个渐进式试验中，参与者可能会随着时间的推移接受逐渐增加的药物剂量。

4.After completing the progressive trial, the team published their findings in a medical journal.

完成渐进式试验后，团队在医学期刊上发表了他们的发现。

5.The progressive trial design allowed for adjustments based on initial results.

这种渐进式试验设计允许根据初步结果进行调整。

作文

In the realm of scientific research and clinical studies, the term progressive trial refers to a methodical approach where treatments or interventions are tested in a stepwise manner. This type of trial is particularly valuable in understanding the efficacy and safety of new medical therapies. By gradually escalating the dose or intensity of treatment, researchers can monitor the effects on participants more closely and adjust protocols as necessary. The concept of a progressive trial is not only applicable in medicine but also extends to various fields such as education, psychology, and even technology development.The primary advantage of conducting a progressive trial is the ability to gather data progressively, which enhances the reliability of the findings. For instance, in a clinical setting, researchers might start with a small group of patients receiving a low dose of a new medication. As data is collected on their responses, the trial can progress to include larger groups or higher doses, allowing for a comprehensive assessment of how different variables affect outcomes.Moreover, progressive trials often incorporate adaptive designs, meaning that the trial can be modified based on interim results. This flexibility allows researchers to halt the trial if results are overwhelmingly positive or negative, thus saving time and resources. It also ensures that participants receive the most effective treatment available, as adjustments can be made in real-time based on their responses.One notable example of a progressive trial occurred during the development of a vaccine for a novel virus. Researchers initially tested the vaccine on a small cohort, closely monitoring for any adverse reactions. As the trial progressed and safety was established, they expanded the study to include diverse populations, ensuring that the vaccine's efficacy was accurately assessed across different demographics. This systematic approach not only expedited the research process but also built public trust in the eventual vaccine.In educational research, a progressive trial might involve implementing a new teaching method in stages. Educators could start by applying the method in one classroom and gradually expand its use to other classrooms based on observed improvements in student engagement and learning outcomes. This incremental approach allows educators to refine their techniques and address any challenges before widespread implementation.However, conducting a progressive trial comes with its own set of challenges. One significant concern is the ethical implications of exposing participants to varying levels of treatment. Researchers must ensure that all participants are fully informed and consent to the trial's structure, understanding that they may receive different levels of treatment based on the trial's progression.Additionally, the complexity of progressive trials requires meticulous planning and robust statistical analysis to ensure that the results are valid and reliable. Researchers must be prepared to handle unexpected outcomes and remain adaptable throughout the trial.In conclusion, the concept of a progressive trial plays a crucial role in advancing knowledge across multiple disciplines. By allowing for a systematic and flexible approach to testing, these trials enhance our understanding of interventions' effectiveness and safety. As we continue to face new challenges in healthcare, education, and technology, the importance of progressive trials will undoubtedly grow, paving the way for innovative solutions and improved outcomes for society as a whole.

在科学研究和临床研究的领域中，术语progressive trial（渐进式试验）指的是一种系统的方法，其中治疗或干预以逐步的方式进行测试。这种类型的试验在理解新医疗疗法的有效性和安全性方面尤其有价值。通过逐渐增加剂量或治疗强度，研究人员可以更密切地监测参与者的反应，并根据需要调整方案。progressive trial的概念不仅适用于医学，还扩展到教育、心理学甚至技术开发等各个领域。进行progressive trial的主要优点是能够逐步收集数据，从而增强研究结果的可靠性。例如，在临床环境中，研究人员可能会首先对一小组患者施用新药物的低剂量。随着对他们反应的数据收集，试验可以逐步扩大，包括更大的群体或更高的剂量，从而全面评估不同变量对结果的影响。此外，progressive trials通常采用自适应设计，这意味着可以根据中期结果修改试验。这种灵活性使研究人员能够在结果明显积极或消极时停止试验，从而节省时间和资源。它还确保参与者获得最有效的可用治疗，因为可以根据他们的反应实时进行调整。一个显著的progressive trial示例发生在新型病毒疫苗的开发过程中。研究人员最初在一小部分人群中测试疫苗，密切监测任何不良反应。随着试验的推进并确认了安全性，他们扩大了研究范围，包括多样化的人群，以确保疫苗在不同人群中的有效性得以准确评估。这种系统的方法不仅加快了研究进程，还建立了公众对最终疫苗的信任。在教育研究中，progressive trial可能涉及分阶段实施新的教学方法。教育工作者可以先在一个教室中应用该方法，然后根据学生参与度和学习成果的观察逐步扩大其使用。这种渐进式的方法使教育者能够完善他们的技术，并在广泛实施之前解决任何挑战。然而，进行progressive trial也面临着一系列挑战。其中一个主要问题是对参与者暴露于不同治疗水平的伦理影响。研究人员必须确保所有参与者充分知情并同意试验的结构，理解他们可能会根据试验的进展获得不同程度的治疗。此外，progressive trials的复杂性要求细致的规划和强大的统计分析，以确保结果的有效性和可靠性。研究人员必须准备好处理意外结果，并在整个试验过程中保持适应性。总之，progressive trial的概念在推动多个学科的知识发展中发挥着至关重要的作用。通过允许对测试进行系统和灵活的方法，这些试验增强了我们对干预措施有效性和安全性的理解。随着我们继续面临医疗、教育和技术的新挑战，progressive trials的重要性无疑将增长，为社会提供创新解决方案和改善结果。