封闭式与随机任务练习计划对外科手术技能习得和保持的影响。
The effect of blocked versus random task practice schedules on the acquisition and retention of surgical skills.
作者信息
Rivard Justin D, Vergis Ashley S, Unger Bertram J, Gillman Lawrence M, Hardy Krista M, Park Jason
机构信息
Department of Surgery, University of Manitoba, Health Sciences Centre, GF434-820 Sherbrook Street, Winnipeg, Manitoba, R3A 1R9, Canada.
Department of Surgery, University of Manitoba, Health Sciences Centre, GF434-820 Sherbrook Street, Winnipeg, Manitoba, R3A 1R9, Canada.
出版信息
Am J Surg. 2015 Jan;209(1):93-100. doi: 10.1016/j.amjsurg.2014.08.038. Epub 2014 Oct 22.
BACKGROUND
When learning multiple tasks, blocked or random training schedules may be used. We assessed the effects of blocked and random schedules on the acquisition and retention of laparoscopic skills.
METHODS
Thirty-six laparoscopic novices were randomized to practice laparoscopic tasks using blocked, random, or no additional training. Participants performed immediate post-tests, followed by retention tests 6 weeks later. Outcomes included previously validated Fundamentals of Laparoscopic Surgery (FLS) and hand-motion efficiency scores.
RESULTS
Both blocked and random groups had significantly higher FLS and hand-motion efficiency scores over baseline on post-tests for each task (P < .05) and higher overall FLS scores than controls on retention tests (P < .01). No difference was seen between the blocked and random groups in the amount of skill acquired or skill retained.
CONCLUSIONS
Both blocked and random training schedules can be considered as valid training options to allow programs and learners to tailor training to their individual needs.
背景
学习多项任务时，可采用分组练习或随机练习的训练计划。我们评估了分组练习和随机练习计划对腹腔镜技能习得和保持的影响。
方法
36名腹腔镜新手被随机分配，分别采用分组练习、随机练习或不进行额外训练的方式来练习腹腔镜任务。参与者在练习后立即进行测试，6周后进行保持测试。结果包括先前验证过的腹腔镜手术基础（FLS）和手部动作效率得分。
结果
分组练习组和随机练习组在每项任务的测试后，FLS和手部动作效率得分均显著高于基线水平（P <.05），并且在保持测试中，总体FLS得分高于对照组（P <.01）。分组练习组和随机练习组在技能习得量或技能保持方面没有差异。
结论
分组练习和随机练习计划均可被视为有效的训练选项，以便培训项目和学习者根据个人需求调整训练方式。
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