Exploring the usability of the text-based CAPTCHA on tablet computers

This paper analyses and discusses the usability aspect of the text-based CAPTCHA in terms of response time and success in solving the CAPTCHA on tablet computers. The response time is the time spent by the user to find a solution to the CAPTCHA. The analysis is separately conducted on text-based CAP...

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Main Authors: Darko Brodić, Alessia Amelio
Format: Article
Language:English
Published: Taylor & Francis Group 2019-10-01
Series:Connection Science
Subjects:
Online Access:http://dx.doi.org/10.1080/09540091.2019.1609417
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author Darko Brodić
Alessia Amelio
author_facet Darko Brodić
Alessia Amelio
author_sort Darko Brodić
collection DOAJ
description This paper analyses and discusses the usability aspect of the text-based CAPTCHA in terms of response time and success in solving the CAPTCHA on tablet computers. The response time is the time spent by the user to find a solution to the CAPTCHA. The analysis is separately conducted on text-based CAPTCHA with only text and numbers. Then, the results are compared and the differences in response time and success in solving the two types of CAPTCHA are underlined. This is accomplished by asking 125 Internet users to solve the text-based CAPTCHA on the tablet computer. Their gender, age, education level, Internet experience, response time and success in solving two types of text-based CAPTCHA are collected in a dataset. Then, advanced statistical analysis by association rule mining is performed. It shows the dependence of the response time and success in solving the CAPTCHA on co-occurrence of gender, age, education level and Internet experience and the strength of this dependence by support, confidence and lift measures. This study provides relevant information for designing new CAPTCHAs which may be more accustomed to specific types of Internet users.
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spelling doaj-art-1d6145c01ff541bb9f3ed5e791728c5b2025-08-20T03:54:37ZengTaylor & Francis GroupConnection Science0954-00911360-04942019-10-0131443044410.1080/09540091.2019.16094171609417Exploring the usability of the text-based CAPTCHA on tablet computersDarko Brodić0Alessia Amelio1University of BelgradeDIMES University of CalabriaThis paper analyses and discusses the usability aspect of the text-based CAPTCHA in terms of response time and success in solving the CAPTCHA on tablet computers. The response time is the time spent by the user to find a solution to the CAPTCHA. The analysis is separately conducted on text-based CAPTCHA with only text and numbers. Then, the results are compared and the differences in response time and success in solving the two types of CAPTCHA are underlined. This is accomplished by asking 125 Internet users to solve the text-based CAPTCHA on the tablet computer. Their gender, age, education level, Internet experience, response time and success in solving two types of text-based CAPTCHA are collected in a dataset. Then, advanced statistical analysis by association rule mining is performed. It shows the dependence of the response time and success in solving the CAPTCHA on co-occurrence of gender, age, education level and Internet experience and the strength of this dependence by support, confidence and lift measures. This study provides relevant information for designing new CAPTCHAs which may be more accustomed to specific types of Internet users.http://dx.doi.org/10.1080/09540091.2019.1609417statistical analysistext-based captchaassociation rulesapriori algorithmtablet computer
spellingShingle Darko Brodić
Alessia Amelio
Exploring the usability of the text-based CAPTCHA on tablet computers
Connection Science
statistical analysis
text-based captcha
association rules
apriori algorithm
tablet computer
title Exploring the usability of the text-based CAPTCHA on tablet computers
title_full Exploring the usability of the text-based CAPTCHA on tablet computers
title_fullStr Exploring the usability of the text-based CAPTCHA on tablet computers
title_full_unstemmed Exploring the usability of the text-based CAPTCHA on tablet computers
title_short Exploring the usability of the text-based CAPTCHA on tablet computers
title_sort exploring the usability of the text based captcha on tablet computers
topic statistical analysis
text-based captcha
association rules
apriori algorithm
tablet computer
url http://dx.doi.org/10.1080/09540091.2019.1609417
work_keys_str_mv AT darkobrodic exploringtheusabilityofthetextbasedcaptchaontabletcomputers
AT alessiaamelio exploringtheusabilityofthetextbasedcaptchaontabletcomputers