Articles

Welcome note
Abdullah M. Aljughaiman -President-

Editorial
Albert Ziegler and Jiannong Shi

The Impact of Smart Fractions, Cognitive Ability of Politicians and Average Competence of Peoples on Social Development
Heiner Rindermann, Michael Sailer and James Thompson

Modeling Mathematical Actiotopes: The Potential Role of CLARION
Shane N. Phillipson and Ron Sun

Relative Age, Talent Identification and Youth Skill Development: Do Relatively Younger Athletes Have Superior Technical Skills?
Jörg Schorer, Joe Baker, Dirk Büsch, Andreas Wilhelm and Jan Pabst

Gifted Learners’ Epistemological Beliefs
Marion Porath, Judy Lupart, Jennifer Katz, Constantine Ngara and Pamela Richardson

The Leonardo Laboratory:
Developing Targeted Programs for Academic Underachievers with Visual-Spatial Gifts
Tina M. Newman, William Brown, Lesley Hart, Donna Macomber, Niamh Doyle, Sergey A. Kornilov, Linda Jarvin, Robert J. Sternberg and Elena L. Grigorenko

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Issue 1/2009 of Talent Development and Excellence