Georgia Institute of Technology.
J Exp Psychol Learn Mem Cogn. 2013 Nov;39(6):1697-1711. doi: 10.1037/a0033091. Epub 2013 Jun 10.
Learners typically allocate more resources to learning items that are higher in value than they do to items lower in value. For instance, when items vary in point value for learning, participants allocate more study time to the higher point items than they do to the lower point items. The current experiments extend this research to a context where the value of items is not explicitly labeled by evaluating whether learners' study decisions are sensitive to statistical regularities in the testing environment that signal which items are valuable to learn. In 4 experiments, participants studied English-English and Swahili-English paired associates across 4 study-test trials. On each trial, they were tested on only 1 type of item (e.g., only Swahili-English pairs), and, hence, only 1 type of item was valuable for performance. Some participants were cued to which information was valuable, and other participants had to learn from task experience. Experiment 2 examined the effect of performance incentives on study decisions, and Experiment 3 examined how the organization of the task environment influences learners' decisions. Finally, Experiment 4 examined the role of working memory span, fluid intelligence, and need for cognition on decisions. Findings indicated that some people can learn from task experience which items are important to study. However, many learners fail to do so (in particular, learners with low working memory spans); as a consequence, they dysregulate their study by allocating time to items that are not valuable to performance.
学习者通常会为价值更高的学习项目分配更多的资源,而不是为价值较低的项目分配更多的资源。例如,当项目的分数值不同时,参与者会为高分值项目分配更多的学习时间,而不是为低分值项目分配更多的学习时间。当前的实验将这一研究扩展到了一个项目的价值不是通过明确标记来评估的情境中,而是通过评估学习者的学习决策是否对测试环境中的统计规律敏感,这些规律表明哪些项目对学习有价值。在 4 个实验中,参与者学习了 4 个学习-测试回合的英语-英语和斯瓦希里语-英语配对联想。在每个回合中,他们只接受一种类型的项目测试(例如,只接受斯瓦希里语-英语对),因此,只有一种类型的项目对表现有价值。一些参与者被提示哪些信息是有价值的,而另一些参与者则必须从任务经验中学习。实验 2 检验了绩效激励对学习决策的影响,实验 3 检验了任务环境的组织如何影响学习者的决策。最后,实验 4 检验了工作记忆广度、流体智力和认知需求对决策的作用。研究结果表明,有些人可以从任务经验中学习哪些项目对学习重要。然而,许多学习者无法做到这一点(特别是工作记忆广度较低的学习者);因此,他们通过为对表现没有价值的项目分配时间来失调他们的学习。