“…Nevertheless until now, to our knowledge, no systematic research has been conducted with the aim of determining if the two cognitive processes are jointly or alternatively activated and what conditions foster each of them. Few studies have tested validation and divergence together, and the rare exceptions (Mucchi-Faina, 1994;Trost, Maass, & Kenrick, 1992;Volpato, Maass, Mucchi-Faina, & Vitti, 1990) have used a single measure for both. For instance, in Volpato et al (1990), participants were asked to choose between different responses such as agreement with the source's proposal (private change: validation option) or a personal proposal (generation of an alternative idea: divergence option).…”