Inhibiting the Whole Number Bias in a Fraction Comparison Task: An Event-Related Potential Study

被引：7

作者：

Fu, Xinchen ^{[1
]}

Li, Xiaodong ^{[2
]}

Xu, Ping ^{[2
]}

Zeng, Jie ^{[2
]}

机构：

[1] Beijing Normal Univ, Fac Psychol, Sch Psychol, Beijing 100875, Peoples R China

[2] Shenzhen Univ, Sch Psychol, Shenzhen 518060, Guangdong, Peoples R China

来源：

PSYCHOLOGY RESEARCH AND BEHAVIOR MANAGEMENT | 2020年 / 13卷

关键词：

heuristics strategy; inhibitory control; fraction comparison; negative priming; event-related potential; ARITHMETIC WORD-PROBLEMS; SCHOOL-AGE-CHILDREN; PIAGET-LIKE TASK; REACTION-TIME; COMPARISON STRATEGIES; RATIONAL NUMBERS; NUMBER/LENGTH INTERFERENCE; INDIVIDUAL-DIFFERENCES; ERP COMPONENTS; YOUNG-ADULTS;

D O I：

10.2147/PRBM.S240263

中图分类号：

B849 [应用心理学];

学科分类号：

040203 ;

摘要：

Introduction: People often use heuristics derived from natural number tasks to solve fraction comparison tasks. For instance, one may falsely consider a fraction with a larger natural number to be the larger in magnitude, as in the case of 1/5 vs 1/4. We hypothesized that inhibitory control was needed to overcome this type of bias. Methods: To test the hypothesis, Event-related potentials (ERP) were collected when participants were conducting fraction comparison tasks that designed with the negative priming paradigm. Twenty-eight adult participants performed three types of fraction comparison tasks: congruent items, incongruent items and neutral items. Results: We found a negative priming effect in terms of response time. Consistently, ERP results demonstrated larger N1 and N2 amplitudes and a smaller P3 amplitude in the test trial than in the control trial. Conclusion: These findings indicated that adults still need to inhibit the "larger natural number-larger fraction" misleading strategy when solving fraction comparison tasks with common components.

引用

页码：245 / 255

页数：11

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