Keller Gaye J, Li Yuhua, Weiss Lawrence W, Relyea George E
The University of Memphis, Memphis, TN 38152-3480, USA.
Percept Mot Skills. 2006 Aug;103(1):241-52. doi: 10.2466/pms.103.1.241-252.
The effects of contextual interference on learning pistol-shooting skills in a natural training environment were examined. The shooting skills consisted of three "stages" with different requirements for the skill variations commonly used in the field. 12 participants were randomly assigned into one of two practice conditions, blocked vs serial. Following a 20-min. safety and skill instructional session, Blocked group practiced 10 trials in a row at each stage, while Serial group performed 5 trials in a row for each of the three stages and then repeated the cycle. Both groups completed a total of 30 practice trials over the three stages. A 10-min. rest interval was provided prior to a retention test which included 9 trials (3 trials at each stage in a blocked format). Results based on the data of Stage III, the most complex skill among the three stages, showed a pattern consistent with previous findings that practicing in the serial schedule depressed performance during initial training but maintained the performance better at retention, relative to the blocked practice.
研究了情境干扰对在自然训练环境中学习手枪射击技能的影响。射击技能包括三个“阶段”，对该领域常用的技能变化有不同要求。12名参与者被随机分配到两种练习条件之一，即集中练习组与序列练习组。在进行20分钟的安全和技能指导课程后，集中练习组在每个阶段连续练习10次，而序列练习组在三个阶段中的每个阶段连续进行5次练习，然后重复这个循环。两组在三个阶段总共完成了30次练习试验。在进行包括9次试验（以集中练习形式在每个阶段进行3次试验）的保持测试之前，提供了10分钟的休息间隔。基于三个阶段中最复杂技能的第三阶段数据的结果显示出与先前研究结果一致的模式，即相对于集中练习，按序列练习计划进行练习在初始训练期间会降低表现，但在保持阶段能更好地保持表现。
