The processes of overall similarity sorting were investigated in 5 free classification experiments. Experiments 1 and 2 demonstrated that increasing time pressure can reduce the likelihood of overall similarity categorization. Experiment 3 showed that a concurrent load also reduced overall similarity sorting. These findings suggest that overall similarity sorting can be a time-consuming analyti...

Many individuals at the end of life are unable to convey their wishes regarding medical treatments. Advance directives (ADs) or living wills (LWs) allow them to crystallise their wishes in a written form so that these can be carried out if the relevant situation arises. In many countries, ADs are legally valid and enforceable; they reduce the use of life-sustaining treatments, which often merel...

This study examines the relation between life events and the adoption of wills among older adults using the 1996 and 2000 surveys of the Heath and Retirement Study. The results suggest that the adoption of wills and trusts is associated with four life events (i.e., becoming a widow, being diagnosed with cancer, retiring, and having a positive change in assets). Older adults experiencing these e...

children with bilateral retinoblastoma. Submitted for Publication: April 15, 2004; final revision received February 9, 2005; accepted February 17, 2005. Correspondence: Dr Carol L. Shields, Oncology Service, Wills Eye Hospital, 840 Walnut St, Philadelphia, PA 19107 (carol.shields @shieldsoncology.com). Financial Disclosure: None. Funding/Support: This study was supported in part by the Eye Tumo...