Putting the Flynn effect under the microscope: Item-level patterns in NLSYC PIAT-math scores, 1986–2004

IF 3.3 2区 心理学 Q1 PSYCHOLOGY, MULTIDISCIPLINARY
Joseph Lee Rodgers , Linda Wänström , Siew Ang
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引用次数: 0

Abstract

Previous research has demonstrated the existence of a Flynn effect in the National Longitudinal Survey of Youth Children (NLSYC) responses to the PIAT-Math instrument. The PIAT-Math is at least partially linked to fluid intelligence, whereas other scales in the NLSYC – PIAT-Reading Recognition, PIAT-Reading Comprehension, the PPVT, and Digit Span – are primarily based on crystallized intelligence; these scales showed little or no Flynn effect in the NLSYC. We put the 84 PIAT-Math items “under the microscope” by evaluating the Flynn effect in relation to each item, and measured the Flynn effect by computing a slope across birth-year cohorts, using nine different age replications. Following, we use expert ratings of the items on eight different features – visual matching, recall/memory, computation/estimation, spatial visualization, real-world reasoning, manipulation of geometry, solving algebra, and counting – to identify what features are important in producing the Flynn effect. The highest correlations obtain for the links between the Flynn effect and the features real-world reasoning, counting and computation/estimation. There is a negative correlation between item-level Flynn effects and the features manipulation of geometry, solving algebra, and recall/memory. These results support previous findings ephasizing the role that fluid intelligence plays in relation to the Flynn effect.
把弗林效应放在显微镜下:1986-2004年NLSYC piat数学成绩的项目水平模式
先前的研究已经证明,在全国青少年纵向调查(NLSYC)对piat -数学工具的反应中存在弗林效应。piat -数学至少部分与流体智力有关,而NLSYC中的其他量表——piat -阅读识别、piat -阅读理解、PPVT和数字广度——主要基于结晶智力;这些量表在NLSYC中显示很少或没有Flynn效应。我们通过评估与每个项目相关的弗林效应,将84个PIAT-Math项目“放在显微镜下”,并通过计算出生-年份队列的斜率来测量弗林效应,使用9个不同年龄的重复。接下来,我们使用专家对8个不同特征——视觉匹配、回忆/记忆、计算/估计、空间可视化、现实世界推理、几何操作、求解代数和计数——的项目进行评级,以确定哪些特征在产生弗林效应中是重要的。弗林效应与现实世界的推理、计数和计算/估计之间的联系具有最高的相关性。项目层面的弗林效应与几何、解决代数和回忆/记忆的特征操作之间存在负相关。这些结果支持了先前的研究结果,强调了流动智力在弗林效应中所起的作用。
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来源期刊
Intelligence
Intelligence PSYCHOLOGY, MULTIDISCIPLINARY-
CiteScore
5.80
自引率
13.30%
发文量
64
审稿时长
69 days
期刊介绍: This unique journal in psychology is devoted to publishing original research and theoretical studies and review papers that substantially contribute to the understanding of intelligence. It provides a new source of significant papers in psychometrics, tests and measurement, and all other empirical and theoretical studies in intelligence and mental retardation.
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