• Doctoral Thesis  Open Access

      Adaptive usable security : personαlizing user authentication and CAPTCHA based on individual differences in cognitive processing 

      Belk, Marios R. (Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2015-12)
      Η αλληλεπίδραση ανθρώπου-υπολογιστή μετατοπίζεται από παραδοσιακούς υπολογιστές και αυτόνομες εφαρμογές, προς την αλληλεπίδραση χρηστών με φορητές υπολογιστικές συσκευές και εφαρμογές που υποστηρίζονται από το υπολογιστικό ...
    • Article  

      Cycles in speed-working memory-G relations: Towards a developmental-differential theory of the mind 

      Demetriou, Andreas P.; Spanoudis,George C.; Shayer, Michael; Mouyi, Antigoni; Kazi, Smaragda; Platsidou, M. (2013)
      This article presents three studies, two of them longitudinal, which investigated the relations between age, processing speed, working memory (WM), and fluid intelligence (g f) from 4 to 16years of age. Structural equation ...
    • Article  

      An individual differences approach in adaptive waving of user checkout process in retail eCommerce 

      Belk, M.; Germanakos, P.; Asimakopoulos, S.; Andreou, P.; Mourlas, C.; Spanoudis, George C.; Samaras, G. (2014)
      Developing a usable checkout process is pivotal for e-business success. However, recent research has shown that users frequently abandon their shopping carts and lacking a clear direction through the process. In this ...
    • Article  

      Individual differences in brain structure underpin empathizing-systemizing cognitive styles in male adults 

      Lai,Meng-Chuan; Lombardo,Michael V.; Chakrabarti,B.; Ecker,C.; Sadek,Susan A.; Wheelwright,Sally J.; Murphy,Declan G. M.; Suckling,John; Bullmore,Edward T.; Baron-Cohen,Simon; Bailey, Anthony J.; Bolton, P. F.; Carrington, S.; Daly,Eileen M.; Deoni,Sean C. L.; Happé,Francesca; Henty, Julian; Jezzard, Peter; Johnston,Patrick; Jones, D. K.; Madden, A.; Mullins, D.; Murphy,Clodagh M.; Pasco, Greg; Ruigrok,Amber N. V.; Spain,D.; Stewart, R.; Williams,Steven C. R. (2012)
      Individual differences in cognitive style can be characterized along two dimensions: 'systemizing' (S, the drive to analyze or build 'rule-based' systems) and 'empathizing' (E, the drive to identify another's mental state ...
    • Article  

      Inference, reconceptualization, sight, and efficiency along intellectual growth: A general theory 

      Demetriou, Andreas P.; Spanoudis,George C.; Shayer, Michael (2014)
      This article summarizes a comprehensive theory of intellectual organization and growth. The theory specifies a common core of processes (Abstraction, representational Alignment, and Cognizance, i.e., AACog) underlying ...
    • Article  

      Neuroanatomy of individual differences in language in adult males with autism 

      Lai,Meng-Chuan; Lombardo,Michael V.; Ecker,C.; Chakrabarti,B.; Suckling,John; Bullmore,Edward T.; Happé,Francesca; Murphy,Declan G. M.; Baron-Cohen,Simon (2015)
      One potential source of heterogeneity within autism spectrum conditions (ASC) is language development and ability. In 80 high-functioning male adults with ASC, we tested if variations in developmental and current structural ...
    • Book  

      Studying the effect of human cognition on text and image recognition CAPTCHA mechanisms 

      Belk, M.; Germanakos, P.; Fidas, C.; Spanoudis, George C.; Samaras, G. (2013)
      This paper investigates the effect of individual differences in human cognition on user performance in CAPTCHA tasks. In particular, a three-month ecological valid user study was conducted with a total of 107 participants ...
    • Article  

      User-centric profiling on the basis of cognitive and emotional characteristics: An empirical study 

      Tsianos, Nikos; Lekkas, Zacharias; Germanakos, Panagiotis; Mourlas, Constantinos; Samaras, George S. (2008)
      In order to clarify whether extending learners' profiles in an adaptive educational system to cognitive and emotional characteristics may have a positive effect on performance, we conducted an empirical study that consists ...