Routine or habitual prospective memory tasks (e.g., taking medication) have the potential for creating confusions regarding whether or not an action has already been performed. We developed a laboratory paradigm for examining the kinds of processes thought to be operating in these kinds of tasks. Younger and older participants were asked to perform an action once and only once on each of 11 trials. The results showed that age and divided attention contributed to both omission and repetition errors. This new paradigm reveals memory failures in a habitual prospective memory task, and the results demonstrate that older adults are particularly susceptible to these memory problems. 相似文献
Age differences in distinctive processing were investigated by examining the effects of study presentation modality on false recall in younger and older adults using the Deese/Roediger and McDermott paradigm. Participants were presented with study words either visually or auditorily. Older adults did not show the typical reduction in false recall after visual, compared to auditory, study presentation (R.E. Smith & R.R. Hunt, 1998). The authors interpret these results as evidence of reduced distinctive processing on the part of older adults. 相似文献
Prospective memory is remembering to perform an action in the future. The authors introduce the 1st formal model of event-based prospective memory, namely, a multinomial model that includes 2 separate parameters related to prospective memory processes. The 1st measures preparatory attentional processes, and the 2nd measures retrospective memory processes. The model was validated in 4 experiments. Manipulations of instructions to place importance on either the prospective memory task or the background task (Experiments 1 and 2) and manipulations of distinctiveness of prospective memory targets (Experiment 2) had expected effects on model parameters, as did a manipulation of the difficulty of prospective memory target encoding (Experiments 3 and 4). An alternative model was also evaluated. 相似文献
Previous research has associated prayer practices with positive health outcomes, but few studies have examined: (a) the perceptions of prayer in relation to perceptions of the efficacy of conventional medicine, and (b) whether the perceptions of prayer efficacy differ based on illness type, context of prayer, and whether prayer is for the self or someone else. The current study surveyed 498 emerging adults at a public university. Conventional medicine was perceived as more effective for alleviating health concerns overall, but participants perceived prayer as most effective when performed in a group setting for someone else. Individuals perceived prayer as more effective than conventional medicine when they reported greater religious activity, lower health locus of control, and higher spiritual locus of control.
This is the second article of a two part series about utilizing the life course perspective (LCP) in genetic counseling. Secondary data analysis was conducted on a grounded theory, longitudinal study which provided a wide focus on living with hereditary breast and ovarian cancer (HBOC) risk. The aim of this analysis was to explore the longitudinal data for both the temporal and social context of living with BRCA mutation genetic test results. Sixteen women from two previous studies were interviewed on multiple occasions over an 8 year time period. The LCP was used to direct a thematic analysis of the data. Families experience the consequences of knowing they carry a BRCA1 or BRCA2 gene mutation long after the initial diagnosis. These women’s experiences across time reflect the concepts of the LCP and show how life is changed when families know they live with a genetic vulnerability to an adult-onset and potentially life-threatening disease. Different emphases on concepts from the LCP were evident across the different age groups. For example, the group of 40–50 year old women emphasized the concept of linked lives, those in their 30’s focused on human agency and women in their 20’s were more focused on timing of events. This study helps give direction to healthcare providers counseling women living with a BRCA mutation. 相似文献
This research examines (a) the interrelationships between body mass index (BMI), the direct measures of the Theory of Planned Behaviour (TPB) and physical activity intention and (b) the potential mediation effects of the direct measures of the TPB in the relationship between BMI and physical activity intention in a sample of Australian adults. A total sample of 1,062 respondents participated in a computer-assisted telephone-interview (CATI) survey comprised of a standardised introduction; questions regarding TPB and physical activity; and standard demographic questions. BMI for each participant was calculated from self-reported height and weight. Separate regression analyses were performed to examine the mediating effects of each of the direct measures of the TPB on the predictive relationship between the BMI and physical activity intention, as proposed by Baron and Kenny (Journal of Personality and Social Psychology, 51(6), 1173 - 1182, 1986). Findings indicated that the direct measure of attitude and perceived behavioural control mediated the relationship between BMI and physical activity intention. However, the direct measure of subjective norm failed to act as a mediating mechanism. To date there has been no research that has examined the mechanism by which body mass may affect physical activity behaviour. Given the current focus for health promotion specialists on promoting physical activity as a strategy for reducing overweight and obesity, a theoretical understanding of weight-related barriers to physical activity may aid in the development of future interventions and community physical activity programs, particularly those targeting overweight and obese populations. 相似文献