“…For example, some have looked at the use of internal aids by students (e.g., Carlson, Kincaid, Lance, & Hodgson, 1976;Gruneberg, 1973), and metamemory studies (see Flavell & Wellman, 1977) have investigated children's knowledge of methods of remembering, including external ones (e.g., Kreutzer, Leonard, & Flavell, 1975). Also, Hunter (1979) has included external devices in his discussion of memory aids.…”