“…A third possible area of added value is motivational; if everyday problems tasks seem relevant and familiar, they may encourage greater self-efficacy (e.g., Artistico et al, 2003) and willingness to agree to testing (Cornelius, 1984). Allaire and Marsiske (2002) investigated the first form of ''added value,'' examining whether several measures of everyday problem solving could predict everyday function (IADL and advanced IADLs) as well as, or better, than a traditional cognitive battery. Two measures, the Everyday Cognition Battery (ECB, a well-structured test of instrumental problem solving) and a solution fluency measure (for problems of food preparation, medication use, and financial management), explained more than 50% of the reliable variance in reported everyday function.…”