What Is the Mechanism Underlying the Interleaving Effect in Category Induction: An Eye-Tracking and Behavioral Study

Interleaved practice (i.e., exemplars from different categories are intermixed within blocks) has been shown to enhance induction performance compared to blocked practice (i.e., exemplars from the same category are presented sequentially). The main aim of the present study was to examine explanation...

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Main Authors: Yabo Ge, Fengying Li, Xinyu Li, Weijian Li
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-12-01
Series:Frontiers in Psychology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fpsyg.2021.770885/full
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author Yabo Ge
Yabo Ge
Fengying Li
Xinyu Li
Xinyu Li
Weijian Li
Weijian Li
author_facet Yabo Ge
Yabo Ge
Fengying Li
Xinyu Li
Xinyu Li
Weijian Li
Weijian Li
author_sort Yabo Ge
collection DOAJ
description Interleaved practice (i.e., exemplars from different categories are intermixed within blocks) has been shown to enhance induction performance compared to blocked practice (i.e., exemplars from the same category are presented sequentially). The main aim of the present study was to examine explanations of why interleaved practice produces this benefit in category induction (known as the interleaving effect). We also evaluated two hypotheses, the attention attenuation hypothesis and the discriminative-contrast hypothesis, by collecting data on participants’ fixation on exemplars, provided by eye-tracking data, and manipulating the degree of discriminative-contrast. In Experiments 1 and 2, participants were instructed to learn the style of 12 new artists in blocked and interleaved practice in fixed-paced and self-paced learning conditions, respectively. We examined fixation durations for six positions (temporal sequence of exemplars presented in each block) using eye-tracking. The results of the two experiments, based on eye-tracking data, suggested that attention attenuation may not be the primary mechanism underlying the interleaving effect in category induction. In Experiment 3, we manipulated the degree of discriminative-contrast to examine the impact on the interleaving effect in category induction. The results showed that the main effect of the degree of discriminative-contrast was significant, and performance in the high-contrast condition was significantly better than those in the medium-contrast and low-contrast conditions. Thus, the current results support the discriminative-contrast hypothesis rather than the attention attenuation hypothesis.
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spelling doaj.art-bdf8eb9c031d404e81cd610f6658d1c52022-12-22T00:07:15ZengFrontiers Media S.A.Frontiers in Psychology1664-10782021-12-011210.3389/fpsyg.2021.770885770885What Is the Mechanism Underlying the Interleaving Effect in Category Induction: An Eye-Tracking and Behavioral StudyYabo Ge0Yabo Ge1Fengying Li2Xinyu Li3Xinyu Li4Weijian Li5Weijian Li6Department of Psychology, Zhejiang Normal University, Jinhua, ChinaCollege of Teacher Education, Zhejiang Normal University, Jinhua, ChinaDepartment of Psychology, Zhejiang Normal University, Jinhua, ChinaDepartment of Psychology, Zhejiang Normal University, Jinhua, ChinaKey Laboratory of Intelligent Education Technology and Application of Zhejiang Province, Zhejiang Normal University, Jinhua, ChinaDepartment of Psychology, Zhejiang Normal University, Jinhua, ChinaCollaborative Innovation Center, Zhejiang Normal University, Jinhua, ChinaInterleaved practice (i.e., exemplars from different categories are intermixed within blocks) has been shown to enhance induction performance compared to blocked practice (i.e., exemplars from the same category are presented sequentially). The main aim of the present study was to examine explanations of why interleaved practice produces this benefit in category induction (known as the interleaving effect). We also evaluated two hypotheses, the attention attenuation hypothesis and the discriminative-contrast hypothesis, by collecting data on participants’ fixation on exemplars, provided by eye-tracking data, and manipulating the degree of discriminative-contrast. In Experiments 1 and 2, participants were instructed to learn the style of 12 new artists in blocked and interleaved practice in fixed-paced and self-paced learning conditions, respectively. We examined fixation durations for six positions (temporal sequence of exemplars presented in each block) using eye-tracking. The results of the two experiments, based on eye-tracking data, suggested that attention attenuation may not be the primary mechanism underlying the interleaving effect in category induction. In Experiment 3, we manipulated the degree of discriminative-contrast to examine the impact on the interleaving effect in category induction. The results showed that the main effect of the degree of discriminative-contrast was significant, and performance in the high-contrast condition was significantly better than those in the medium-contrast and low-contrast conditions. Thus, the current results support the discriminative-contrast hypothesis rather than the attention attenuation hypothesis.https://www.frontiersin.org/articles/10.3389/fpsyg.2021.770885/fullattention attenuation hypothesisdiscriminative-contrast hypothesiscategory inductioninterleaving effecteye-tracking
spellingShingle Yabo Ge
Yabo Ge
Fengying Li
Xinyu Li
Xinyu Li
Weijian Li
Weijian Li
What Is the Mechanism Underlying the Interleaving Effect in Category Induction: An Eye-Tracking and Behavioral Study
Frontiers in Psychology
attention attenuation hypothesis
discriminative-contrast hypothesis
category induction
interleaving effect
eye-tracking
title What Is the Mechanism Underlying the Interleaving Effect in Category Induction: An Eye-Tracking and Behavioral Study
title_full What Is the Mechanism Underlying the Interleaving Effect in Category Induction: An Eye-Tracking and Behavioral Study
title_fullStr What Is the Mechanism Underlying the Interleaving Effect in Category Induction: An Eye-Tracking and Behavioral Study
title_full_unstemmed What Is the Mechanism Underlying the Interleaving Effect in Category Induction: An Eye-Tracking and Behavioral Study
title_short What Is the Mechanism Underlying the Interleaving Effect in Category Induction: An Eye-Tracking and Behavioral Study
title_sort what is the mechanism underlying the interleaving effect in category induction an eye tracking and behavioral study
topic attention attenuation hypothesis
discriminative-contrast hypothesis
category induction
interleaving effect
eye-tracking
url https://www.frontiersin.org/articles/10.3389/fpsyg.2021.770885/full
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