“…However, the empirical evidence on age invariance in frequency estimates is mixed. Although there exist studies supporting the age invariance of frequency-ofoccurrence judgments (Attig & Hasher, 1980;Hasher & Zacks, 1979;Kausler & Puckett, 1980;Sanders, Wise, Liddle, & Murphy, 1990), others suggest that older adults perform poorer on frequency judgments than younger adults (Di Pellegrino, Nichelli, & Faglioni, 1988;Freund & Witte, 1986;Kausler, Salthouse, & Saults, 1987;Mutter & Goedert, 1997;Wiggs et al, 1994).…”