Domestic violence and intrasexual competition with Fundación Arete. San Juan, Nicaragua.


Life history, father absence, jealousy, intrasexual competition, O. Girigori, University of the Netherlands Antilles, Curacao.


Intrasexual competition and aggression: Anthropometric measures, with A. Mailhos, International Association for Media and Communication Research (IAMCR), Uruguay

Status and mobbing in organisations, with S. Franco, Universidad  de la Republica, Montevideo, Urugay

Sex differences in jealousy, with A. Castro Solano, Universidad de Palermo, Buenos Aires, Argentinia

Intrasexual competition and jealousy with A.M. Fernandez, Universidad de Santiago de Chile, Santiago, Chili

Individual differences in social comparison orientation, with F.X. Gibbons, University of Connecticut, Storrs, CT, USA 

Social comparison, subjective status and intrasexual competition in organisations, with J.M. Peíró and R. Zurriaga, University of Valencia, Spain

Social comparison, coping and health outcomes in chronic patients, with C. Terol Cantero, S. Lopez-Roig, V. Cabrera Perona, Universidad Miguel Hernandez, San Juan, Spain

Social comparison orientation, with A. Urzua, Universidad Catolica del Norte, Antofogasta, Chili


Intrasexual competition, jealousy and mate choice among transgenders, with I. Aristegui & A. Castro Solano, Universidad de Palermo, Buenos Aires, Argentina. 


Basic evolutionary motives, with D. Kenrick, Arizona State University, Tempe, AZ.