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Very long-term retention of basic science knowledge in doctors after graduation.

机译：毕业后可长期保留医生的基础科学知识。

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CONTEXT: Despite frequent complaints that biomedical knowledge is quickly forgotten after it has been learned, few investigations of actual long-term retention of basic science knowledge have been conducted in the medical domain. OBJECTIVES: Our aim was to illuminate the long-term retention of basic science knowledge, particularly of unrehearsed knowledge. METHODS: Using a cross-sectional study design, medical students and doctors in the Netherlands were tested for retention of basic science knowledge. Relationships between retention interval and proportion of correct answers on a knowledge test were investigated. RESULTS: The popular notion that most of basic science knowledge is forgotten shortly after graduation is not supported by our findings. With respect to the full test scores, which reflect a composite of unrehearsed and rehearsed knowledge, performance decreased from approximately 40% correct answers for students still in medical school, to 25-30% correct answers for doctors after many years of practice. When rehearsal during the retention interval is controlled for, it appears that little knowledge is lost for 1.5-2 years after it was last used; from then on, retention is best described by a negatively accelerated (logarithmic) forgetting curve. After >/= 25 years, retention levels were in the range of 15-20%. CONCLUSIONS: Conclusions about the forgetting of unrehearsed knowledge in this study are in line with findings reported in other domains: it proceeds in accordance with the Ebbinghaus curve for meaningful material, except that in our findings the 'downward' part appears to start later than in most other studies. The limitations of the study are discussed and possible ramifications for medical education are proposed.
机译：语境：尽管经常抱怨在学习生物医学知识后会很快忘记生物医学知识，但在医学领域几乎没有对基础科学知识的实际长期保留进行调查。目的：我们的目的是阐明长期保留基础科学知识，特别是未练习的知识。方法：使用横断面研究设计，对荷兰的医学生和医生进行了基础科学知识保留的测试。研究了保留间隔和知识测验中正确答案比例之间的关系。结果：我们的发现并不支持普遍的观念，即大多数基本科学知识在毕业后不久就被遗忘了。在反映未练习和已练习知识的综合测试成绩方面，经过多年的实践，成绩从对仍在医学院就读的学生的正确答案下降到大约40％，对医生的正确答案下降到25-30％。如果控制了保留间隔内的排练，则在最后一次使用后1.5至2年内几乎不会丢失任何知识。从那时起，最好用负加速（对数）遗忘曲线来描述保留。 > / = 25年后，保留率在15％至20％之间。结论：本研究中关于遗忘未学习知识的结论与其他领域的发现相符：对于有意义的材料，它按照埃宾豪斯曲线进行，除了在我们的发现中，“向下”部分的开始时间晚于其他大多数研究。讨论了研究的局限性，并提出了医学教育可能产生的影响。

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