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  • 1
    Electronic Resource
    Electronic Resource
    Caregivers of persons with Alzheimer's Disease: Cultural differences in perceived caregiver burden in Guatemala and Rhode Island (1998)
    Springer
    Journal of cross-cultural gerontology 13 (1998), S. 229-240 
    Details
    ISSN: 1573-0719
    Keywords: Alzheimer's Disease ; Burden ; Caregiver ; Cross-cultural ; Guatemala ; Hispanic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Ethnic Sciences , Sociology
    Notes: Abstract The intent of this study is to illustrate cultural differences in the amount of perceived burden for primary caregivers of persons with Alzheimer's Disease. Caregivers in Guatemala and Rhode Island were given a questionnaire exploring: caregiver well-being, available supports, traditional ideology, and perceived burden. The data indicate that Guatemalans have less institutional and more informal supports available, as compared with USA caregivers. Guatemalan caregivers brought patients to a doctor sooner after the appearance of their first symptoms (0.9±1.0 years versus 1.6±1.8 years) and had poorer perceived health than USA subjects, suggesting a higher level of caregiver burden. Cultural response bias however may account for the difference in perceived health.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006534521253
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Duality Relations for Non-Ohmic Composites, with Applications to Behavior near Percolation (1998)
    Springer
    Journal of statistical physics 90 (1998), S. 159-189 
    Details
    ISSN: 1572-9613
    Keywords: Nonlinear Composites ; duality ; effective properties ; percolation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Keller, Dykhne, and others have exploited duality to derive exact results for the effective behavior of two-dimensional Ohmic composites. This paper addresses similar issues in the non-Ohmic context. We focus primarily on three different types of nonlinearity: (a) the weakly nonlinear regime; (b) power-law behavior; and (c) dielectric breakdown. We first make the consequences of duality explicit in each setting. Then we draw conclusions concerning the critical exponents and scaling functions of “dual pairs” of random non-Ohmic composites near a percolation threshold. These results generalize, unify, and simplify relations previously derived for nonlinear resistor networks. We also discuss some self-dual nonlinear composites. Our treatment is elementary and self-contained; however, we also link it with the more abstract mathematical discussions of duality by Jikov and Kozlov.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1023251701546
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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