“…Behavioral studies indicate that item, as well as source, memory performance increases with age, with a steeper increase in performance for source, as compared with item, information (see Billingsley, Smith, & McAndrews, 2002;Gathercole, 1998;Giles, Gopnik, & Heyman, 2002). Unfortunately, quite often these findings have been based on very few items or have not been directly comparable, since many of the studies were based on recall tasks or face-to-face interviews, which have been shown to be susceptible to the format of the questions (e.g., Roebers & Howie, 2003).…”