Hellenic Journal of Psychology   Psychological Society of Northern Greece VOLUME 4, ISSUE 2 INFORMATION HELLENIC JOURNAL OF PSYCHOLOGY ÉSSN 1790-1391 Edited three times a year by the Psychological Society of Northern Greece (PSNG) Volume 4, Issue 2, 2007 Legally responsible: Anastasia Efklides, President of the Psychological Society of Northern Greece School of Psychology, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece. Tel: ++30-2310-997374. Fax: ++30-2310-997384. E-mail: efklides@psy.auth.gr Editors Editor-in-Chief:  Anastasia Efklides Aristotle University of Thessaloniki, Greece Associate Editors: Maria Dikaiou Angeliki Leondari Georgios D. Sideridis Aristotle University of Thessaloniki, Greece University of Thessaly, Volos, Greece University of Crete, Greece Assistant Editors: Irini Dermitzaki Mary H. Kosmidis Robert Mellon Plousia Misailidi Pagona Roussi University of Thessaly, Volos, Greece Aristotle University of Thessaloniki, Greece University of Crete, Greece University of Ioannina, Greece Aristotle University of Thessaloniki, Greece Editor of Issue 2 Haralambos Tsorbatzoudis  Aristotle University of Thessaloniki, Greece Editorial Board Anastasia Efklides George Grouios Shulamith Kreitler Diomedes Markoulis Robert Neimeyer Markku Niemivirta Jose M. Prieto Wolfgang Schnotz  Yannis Theodorakis Maria Tzouriadou Marja Vauras Marcel Veenman Aristotle University of Thessaloniki, Greece Aristotle University of Thessaloniki, Greece Tel-Aviv University, Israel Aristotle University of Thessaloniki, Greece University of Memphis, USA University of Helsinki, Finland Complutense University, Madrid, Spain University of Koblenz-Landau, Landau, Germany University of Thessaly, Volos, Greece Aristotle University of Thessaloniki, Greece University of Turku, Finland University of Leiden, The Netherlands Publisher: ELLINIKA GRAMMATA: Emm. Benaki 59, 106 81 Athens, Greece Ôel: ++30-210-3891800 - Fax: ++30-210-3836658 Bookstore: Zood. Pigis 21 & Tzavela 1, 106 81 Athens, Greece © Copyright 2007: Psychological Society of Northern Greece (PSNG) All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) for commercial purposes without the written permission of the copyright own-ers. Manuscripts submitted to the journal in no case are returned back Volume 4, Issue 1, 2007     HELLENIC JOURNAL OF PSYCHOLOGY Founded 2004 SPECIAL ISSUE: ISSUES IN PERSONALITY AND COGNITION Guest Editor: Haralambos Tsorbatzoudis             ELLINIKA GRAMMATA   CONTENTS The effects of goal orientations on global self-esteem and physical self-worth in physical education students Maria Kavussau...................................................................................................................111 Goal orientations as predictors of students' —with and without learning difficulties— motivation and self-regulation in mathematics Georgios D. Sideridis ............................................................................................................133 Moral development in sport context: Utopia or reality? Katerina Mouratidou, Dimitrios Chatzopoulos, & Sofia Karamavrou ................................................163 Analysing the concept of deaf identity Magda Nikolaraizi .................................................................................................................185  Poor readers' profiles among Greek students of elementary school Angeliki Mouzaki & Georgios D. Sideridis.....................................................................................205