The findings can widen the perspective when striving for barrier-free building standards, to encompass a holistic approach that takes both objective and perceived aspects of housing into account. Home modification and relocation should not be prescribed, but need to be negotiated with older adults to take into account their personal preferences.

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The Attitude Toward Own Aging Subscale (ATOA) is a frequently used measure of subjective aging. Although ATOA in midlife might assume a preparatory role for psychosocial adjustment in old age, research has been dominated by a focus on older adults. To enable a comparison of developmental trajectories of ATOA between middle-aged and young-old adults, we tested measurement invariance between age groups and over a 12-year study period. In addition, personality variables, health dimensions, and sociodemographic variables were investigated as predictors of developmental trajectories of ATOA. Data came from the Interdisciplinary Longitudinal Study of Adult Development (ILSE) with 2 birth cohorts (1930-1932: n = 500; 1950-1952: n = 501) followed over 12 years. Data analyses were conducted with confirmatory factor analysis for ordered-categorical variables and latent growth models. Support for the assumption of partial measurement invariance of ATOA was found in each age group, but not between age groups. Latent growth models revealed a steady decline in ATOA for young-old individuals, whereas ATOA trajectories in midlife were characterized by interindividual variation. Health variables predicted level of ATOA in the young-old. In midlife ATOA were shaped by a variety of factors. Future studies should be conducted with an awareness of differential item functioning of the ATOA scale across age groups. Furthermore, our results point to a greater modifiability of aging attitudes in middle-aged compared with young-old individuals, thus highlighting the importance of the midlife years in shaping developmental trajectories into old age.

ABSTRACT. Empirical evidence of no age-related decline in life satisfaction (LS) in old age contrasts with frequently observed declines in the objective quality of elder people's lives and has therefore been labelled a ''paradox'' and interpreted in terms of stability of LS in the respective gerontological discussion. However, as this evidence was mainly derived from cross-sectional age group comparisons, it does neither clearly indicate the absence of age-related mean level change, nor intra-individual stability of LS. Thus, the development of LS in middle and late adulthood was analysed longitudinally by using data from the German Socio-Economic Panel. Based on single item measures of LS across 16 repeated panel waves with one per annum (1984)(1985)(1986)(1987)(1988)(1989)(1990)(1991)(1992)(1993)(1994)(1995)(1996)(1997)(1998)(1999), autoregressive (quasi-Markov) structural equation models were used to estimate true score variances and intra-individual true score stability in oneyear intervals. Research questions concerned (a) ''monotonic'' stability and variance in a subsample of old respondents (born before 1925) as compared to the total sample and (b) change in stability and variances in old age. Results indicate high ''monotonic'' true score stability of LS over the whole adult life span, whereas mean levels declined slightly in old age. No striking evidence for age-related changes in variance or stability was found.

This study used data from a 30-day diary study with 289 adults (age range 18-89 years) to model the effects of stressor pile-up on individuals' daily negative affect (NA) and positive affect (PA) and to test for age differences in these effects. Specifically, we developed a new approach to operationalize and model stressor pile-up and evaluated this approach using generalized mixed models, taking into account the gamma response distribution of the highly skewed daily NA data. Findings showed that pile-up of stressors over a 1-week period was significantly coupled with increases in individuals' daily NA above and beyond the effect of concurrent stressors. Findings also showed that the effects of stressor accumulation and concurrent stress were additive rather than multiplicative. Age interacted significantly with stressor accumulation so that a higher age was associated with less NA reactivity to stressor pile-up. Yet, we did not find such an age-related association for NA reactivity to concurrent daily stressors. Daily PA was not associated with daily stress or with stressor pile-up. The operational definition of stressor pile-up presented in this study contributes to the literature by providing a new approach to model the dynamic effects of stress, and by providing new ways of separating the effects of acute stressors from the effects of stressor pile-up. The age differences found in the present study suggest that older adults develop effective emotion regulation skills for handling stressor pile-up, but that they react to acute daily stressors in a similar way than younger adults.

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Late-life development may imply terminal processes related with time-to-death rather than with chronological age. In this study, we applied the time-to-death perspective to affective well-being. Using a 15-year observational interval including five measurement occasions with a large sample of deceased participants (N = 1,671; mean age = 75.60; mean time-to-death = 6.83 years, at first occasion) from the Longitudinal Aging Study Amsterdam (LASA), we examined (1) whether intraindividual trajectories in positive (PA) and negative affect (NA) can be better described in terms of time-to-death as compared to chronological age; (2) whether time-to-death-related change in PA and NA follows a terminal decline (linear change) versus terminal drop (accelerating change) pattern, and (3) whether transition points in PA and NA, marking the beginning of the terminal change period, can be identified. For both PA and NA, multilevel mixed models of linear and quadratic time-to-death and age-related trajectories confirmed that time-to-death accounts for more intraindividual variance and reveals a better fit to the data than chronological age. Quadratic time-to-death-related trends fitted better than linear trajectories, thus indicating terminal drop of affective well-being, in terms of decreases of PA and increases of NA accelerating as death comes close. Also, change of NA was linked to time-to-death more strongly than PA change. Transition points to the terminal phase were found at 5.6 and 3.7 years for PA and NA, respectively. In conclusion, affective development toward the end of the human life span may be better understood as a death-related-rather than age-graded-process.

The first objective of this work is to contrast objective and subjective indicators of older adults' housing situations in western and eastern German rural regions. The second objective of this study is to examine the role of housing-related variables to predict life satisfaction by simultaneously controlling for other generally acknowledged predictors. The data were gathered in two rural regions in western and eastern Germany by drawing a sample of N = 412 older adults (55-99 years old; M = 73.2 years) stratified by age and gender. All participants lived in private households. As suggested by the paradox of actual versus perceived life conditions, analysis revealed comparable levels of perceived life satisfaction in spite of significantly different objective and subjective housing-related variables to the advantage of the western region. Moreover, the central hypothesis of this work that housing-related variables explain a substantial portion of variance in life satisfaction was supported by the data.