This work was supported by a Research Grant awarded to Catarina Marques Santos [Ref.
SFRH/BD/79292/2011]; and by a Project [Ref. PEst-OE/EGE/UI0315/2011] from the Portuguese
Foundation for Science and Technology. The authors thank their colleagues in the Doctoral
Program of Human Resources and Organizational Behaviour and the Doctoral Program of
Psychology at Instituto Universita´rio de Lisboa (ISCTE-IUL) for their helpful comments in
preparing the manuscript. They would also like to thank Sjir Uitdewilligen for his helpful
comments and suggestions on a later version of this work. Finally, the authors thank SDG
Company for allowing themto collect the data.