解题示例效应
仔细研究解题示例所产生的学习效果,可能优于仅仅做题。
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理论基础
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Sweller, J., & Cooper, G. A. (1985). The Use of Worked Examples as a Substitute for Problem Solving in Learning Algebra. Cognition and Instruction, 2(1), 59–89 (《在代数学习中使用解题示例替代解题练习》)
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Sweller, J. (1988). Cognitive load during problem solving: Effects on learning. Cognitive Science, 12(2), 257–285 (《解题过程中的认知负荷:对学习的影响》)
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相关研究
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Paas, F. G., & Van Merriënboer, J. J. (1994). Variability of worked examples and transfer of geometrical problem-solving skills: A cognitive-load approach. Journal of Educational Psychology, 86(1), 122 (《解题示例的多样性与几何解题技能迁移:认知负荷视角》)
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Yeo, D. J., & Fazio, L. K. (2019). The optimal learning strategy depends on learning goals and processes: Retrieval practice versus worked examples. Journal of Educational Psychology, 111(1), 73–90 (《最优学习策略取决于学习目标与过程:提取练习与解题示例之比较》)
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Chen, O., Castro-Alonso, J. C., Paas, F., & Sweller, J. (2018). Undesirable difficulty effects in the learning of high-element interactivity materials. Frontiers in Psychology, 9 (《高元素交互性材料学习中的不良难度效应》)
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相关但不完全一致的研究:
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van Gog, T., Kester, L., Dirkx, K., Hoogerheide, V., Boerboom, J., & Verkoeijen, P. P. J. L. (2015). Testing After Worked Example Study Does Not Enhance Delayed Problem-Solving Performance Compared to Restudy. Educational Psychology Review, 27(2), 265–289 (《学习解题示例后的测试与重复学习相比,并不能增强延迟解题表现》)
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Leahy, W., Hanham, J., & Sweller, J. (2015). High Element Interactivity Information During Problem Solving may Lead to Failure to Obtain the Testing Effect. Educational Psychology Review, 27(2), 291–304 (《解题过程中高元素交互性信息可能导致测试效应失效》)
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更远相关的理论著作:
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Paas, F. G. W. C., & Van Merriënboer, J. J. G. (1994). Instructional control of cognitive load in the training of complex cognitive tasks. Educational Psychology Review, 6(4), 351–371 (《复杂认知任务训练中认知负荷的教学控制》)
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Sweller, J. (1994). Cognitive load theory, learning difficulty, and instructional design. Learning and Instruction, 4(4), 295–312 (《认知负荷理论、学习难度与教学设计》)
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尽管「解题示例效应」这一术语通常指的是比较学习相关例题与解决相关问题的效果,但它有时也会与测试效应(Testing effect)进行比较——即,是学习相关的解题示例更好,还是通过重新解决相关问题来进行提取练习(Retrieval practice)更好?例如,参见 Yeo and Fazio, 2019。 Jeffrey Karpicke 认为(参见其对 van Gog, T., & Sweller, J. (2015). Not New, but Nearly Forgotten: The Testing Effect Decreases or even Disappears as the Complexity of Learning Materials Increases. Educational Psychology Review, 27(2), 247–264 的评论):「所有解题示例实验都未能显示出提取练习的效应,其原因在于提取练习的实施方式」(即,即时的、集中的、「无需情景性上下文的重现」)。
问:请将解题示例效应与内在(intrinsic)、外在(extrinsic)及相关(germane)的认知负荷理论(Cognitive load theory)联系起来。
答:若试图通过解决问题来进行学习,那么内在负荷(例如,源于高元素交互性(Element interactivity))和外在负荷(例如,演练程序性策略)会占用所有认知资源,从而没有余地留给构建心智图式(schemas)所必需的相关负荷。
问题
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心智图式的获取是否能通过例如间隔重复记忆系统(Spaced repetition memory system)等方式直接诱发?
- Yeo, D. J., & Fazio, L. K. (2019). The optimal learning strategy depends on learning goals and processes: Retrieval practice versus worked examples. Journal of Educational Psychology, 111(1), 73–90 (《最优学习策略取决于学习目标与过程:提取练习与解题示例之比较》)的研究表明并非如此,至少不仅仅是通过重复解决问题的方式。
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记忆巩固对于心智图式的获取有多重要?换言之,如果你观察到一个心智图式模式一次,它是否会像一个简单的事实那样迅速被遗忘?心智图式获取的主要挑战在于最初注意到这些模式,还是在于一旦识别出这些洞见后对其进行强化?
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「心智图式」(schema)的概念与「组块」(chunk)的概念(人类认知中的「组块」)之间究竟有何区别?
- 初步看法:心智图式会随着时间的推移而演变,而组块则不会;心智图式不仅涉及信息的组合,还涉及将这些信息组织成一个更大的结构或框架。组块是一个相对狭窄的概念:它们通常在记忆的背景下被讨论;而心智图式通常在信息处理和问题解决的更广泛背景下被探讨。