Correction of Threshold Determination in Rapid-Guessing Behaviour Detection

Assessment is one benchmark in measuring students’ abilities. However, assessment results cannot necessarily be trusted, because students sometimes cheat or even guess in answering the questions. Therefore, to obtain valid results, it is necessary to separate valid and invalid answers by considering...

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Main Authors: Muhammad Alfian, Umi Laili Yuhana, Eric Pardede, Akbar Noto Ponco Bimantoro
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:Information
Subjects:
Online Access:https://www.mdpi.com/2078-2489/14/7/422
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author Muhammad Alfian
Umi Laili Yuhana
Eric Pardede
Akbar Noto Ponco Bimantoro
author_facet Muhammad Alfian
Umi Laili Yuhana
Eric Pardede
Akbar Noto Ponco Bimantoro
author_sort Muhammad Alfian
collection DOAJ
description Assessment is one benchmark in measuring students’ abilities. However, assessment results cannot necessarily be trusted, because students sometimes cheat or even guess in answering the questions. Therefore, to obtain valid results, it is necessary to separate valid and invalid answers by considering rapid-guessing behaviour. We conducted a test to record exam log data from undergraduate and postgraduate students to model rapid-guessing behaviour by determining the threshold response time. Rapid-guessing behaviour detection is inspired by the common k-second method. However, the method flattens the application of the threshold, thus allowing misclassification. The modified method considers item difficulty in determining the threshold. The evaluation results show that the system can identify students’ rapid-guessing behaviour with a success rate of 71%, which is superior to the previous method. We also analysed various aggregation techniques of response time and compared them to see the effect of selecting the aggregation technique.
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spelling doaj.art-d45eeb7163a746deb232d58e84df7f552023-11-18T19:47:26ZengMDPI AGInformation2078-24892023-07-0114742210.3390/info14070422Correction of Threshold Determination in Rapid-Guessing Behaviour DetectionMuhammad Alfian0Umi Laili Yuhana1Eric Pardede2Akbar Noto Ponco Bimantoro3Institut Teknologi Sepuluh Nopember, Surabaya 60111, IndonesiaInstitut Teknologi Sepuluh Nopember, Surabaya 60111, IndonesiaDepartment of Computer Science and Information Technology, La Trobe University, Melbourne, VIC 3000, AustraliaInstitut Teknologi Sepuluh Nopember, Surabaya 60111, IndonesiaAssessment is one benchmark in measuring students’ abilities. However, assessment results cannot necessarily be trusted, because students sometimes cheat or even guess in answering the questions. Therefore, to obtain valid results, it is necessary to separate valid and invalid answers by considering rapid-guessing behaviour. We conducted a test to record exam log data from undergraduate and postgraduate students to model rapid-guessing behaviour by determining the threshold response time. Rapid-guessing behaviour detection is inspired by the common k-second method. However, the method flattens the application of the threshold, thus allowing misclassification. The modified method considers item difficulty in determining the threshold. The evaluation results show that the system can identify students’ rapid-guessing behaviour with a success rate of 71%, which is superior to the previous method. We also analysed various aggregation techniques of response time and compared them to see the effect of selecting the aggregation technique.https://www.mdpi.com/2078-2489/14/7/422rapid-guessing behaviourthreshold determinationresponse time
spellingShingle Muhammad Alfian
Umi Laili Yuhana
Eric Pardede
Akbar Noto Ponco Bimantoro
Correction of Threshold Determination in Rapid-Guessing Behaviour Detection
Information
rapid-guessing behaviour
threshold determination
response time
title Correction of Threshold Determination in Rapid-Guessing Behaviour Detection
title_full Correction of Threshold Determination in Rapid-Guessing Behaviour Detection
title_fullStr Correction of Threshold Determination in Rapid-Guessing Behaviour Detection
title_full_unstemmed Correction of Threshold Determination in Rapid-Guessing Behaviour Detection
title_short Correction of Threshold Determination in Rapid-Guessing Behaviour Detection
title_sort correction of threshold determination in rapid guessing behaviour detection
topic rapid-guessing behaviour
threshold determination
response time
url https://www.mdpi.com/2078-2489/14/7/422
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