Optimal prediction of decisions and model selection in social dilemmas using block modelsSergio Cobo-López, Antonia Godoy-Lorite, Jordi Duch, Marta Sales-Pardo and Roger GuimeràEPJ Data Sci., 7 1 (2018) 48DOI: https://doi.org/10.1140/epjds/s13688-018-0175-3