Available online 12 November 2008

PURPOSE OF THE STUDY Older adults often have problems finding their way in novel environments such as senior living residences and hospitals. The purpose of this study was to examine the types of self-reported search strategies and cues that older adults use to find their way in a virtual maze. DESIGN AND METHODS Healthy, independently living older adults (n = 129) aged 55-96 were tested in a...

he future of healthcare delivery systems will depend on heir ability to provide the best care at the least cost. In he clinical laboratory, this translates to ensuring that lecreased test use means appropriate use. The latter is nhikely to occur unless clinical laboratories provide practicing physicians with advice on test strategy and iterpretation of results. Effective clinical laboratory con...

Testing is the process of stimulating a system with inputs in order to reveal hidden parts of the system state. We consider a variant of the testing problem that was put forward in the model-based diagnosis literature, and consists of finding input patterns that definitely discriminate between different constraint-based system models. We show that this problem can be framed as a game played bet...

The purpose of this paper is to show that for a dense G set of three smooth convex bodies with nowhere vanishing curvature in the C topology k the open billiard obtained from these convex bod ies determines a potential the one that de nes the natural escape measure of this billiard which is non lattice This result generalizes one of the results obtained in a previous work of A Lopes and R Marka...

Scholars have been investigating the quick emergence of digital platforms, essentially through the lens of digital native firms. If there is limited occurrence of platforms launched by incumbent firms such as Daimler (Car2Go, Moovel) or Johnson Controls (Panopix), the economics of their strategic responses through platforms by incumbents merit attention. This paper provides the first largescale...

aces in the audience on the 25th of January! "How to win a house job" is not a subject to which there is a short answer, but rather one in which the importance lies ln the summation of a lot of minor points plus a few more major and more definite ?nes, so I shall give a general factual background and then some more detailed advice. The factual background I decided to obtain from a questionnaire...

1ms article concentrates on the development of an infonnation security strategy. An information security strategy needs to focus on an overall objective. usually the objectives laid out in an organization's business strategy and its derived information technology strategy. where it takes the status quo and reflects the main objectives derived and postulates how and when to close the identified ...