“…In fact, the preparation has already proven its worth for investigating a diverse array of learning phenomena. So far, Martians has been successfully used to investigate blocking (Arcediano, Matute, & Miller, 1997) and other forms of cue competition (Matute & Pineño, 1998), simultaneous and sequential feature positive discriminations (Baeyens et al, 2001), simultaneous and sequential feature negative discriminations (Baeyens et al, 2004), extinction, renewal, and reinstatement of modulation (Baeyens et al, 2005;Fonteyne & Baeyens, 2009;Franssen, Gillard, Dirikx, van Vooren, & Baeyens, 2009), contextual modulation and extinction (Havermans, Keuker, Lataster, & Jansen, 2005), the influence of unpredictability-induced context conditioning on subsequent learning to a discrete cue (Meulders, Vervliet, Vansteenwegen, Hermans, & Baeyens, 2009), cue competition effects after elementary training (Lipp & Dal Santo, 2002), and consolidation of the CS-US association through mental rehearsal (Joos, Vansteenwegen, & Hermans, 2008). Outside learning psychology, the preparation could also be used, for example, to investigate hypotheses concerning avoidance mechanisms, such as a simple game-oriented filler task; or it could simply be used as a means of presenting electrical shocks.…”