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101.
What some concepts might not be 总被引:6,自引:0,他引:6
102.
Tonya D. Armstrong Larry D. Crum Randall H. Rieger Trude A. Bennett Lloyd J. Edwards 《Journal of applied social psychology》1999,29(3):552-574
The underrepresentation of African Americans in medical research is problematic for several reasons, including disparities in health outcomes, differences in metabolism of pharmacological agents, and accurate assessment of health needs and costs. This paper investigates factors contributing to African Americans' lower likelihood of consenting to participation in medical research. In Study 1, three focus groups were conducted to assess concerns about research participation and to generate further hypotheses for questionnaire development. Study 2 presented a hypothetical clinical trial and collected questionnaire data on attitudes about participation. Both studies revealed a greater likelihood to mistrust the medical establishment among African American students. However, suspicion did not contribute to a decreased likelihood of participation. Several recommendations are offered regarding the recruitment of African Americans in research. 相似文献
103.
104.
Neef NA Marckel J Ferreri SJ Bicard DF Endo S Aman MG Miller KM Jung S Nist L Armstrong N 《Journal of applied behavior analysis》2005,38(1):23-37
We conducted a brief computer-based assessment involving choices of concurrently presented arithmetic problems associated with competing reinforcer dimensions to assess impulsivity (choices controlled primarily by reinforcer immediacy) as well as the relative influence of other dimensions (reinforcer rate, quality, and response effort), with 58 children. Results were compared for children with attention deficit hyperactivity disorder (ADHD) who were and were not receiving medication, and with typically developing children without ADHD. Within-subject and between-groups analyses of the ordinal influence of each of the reinforcer dimensions were conducted using both time- and response-allocation measures. In general, the choices of children with ADHD were most influenced by reinforcer immediacy and quality and least by rate and effort, suggesting impulsivity. The choices of children in the non-ADHD group were most influenced by reinforcer quality, and the influence of immediacy relative to the other dimensions was not statistically significant. Results are discussed with respect to the implications for assessment and treatment of ADHD. 相似文献
105.
Rats were trained on a delayed successive matching-to-stimulus modality task consisting of onset of chamber lights or a tone for the sample stimulus, S1, and a comparison stimulus, S2. Lever pressing to S1 was reinforced as was lever pressing to its matching S2 (light–light or tone–tone pairs) but not to its mismatching S2 (light–tone, tone–light pairs). The interval between S1 and S2 within a trial, the retention interval (RI), was varied between 1 and 6 s within sessions while the interval between S2 and the next S1, the intertrial interval (ITI), was reduced from 24 to 12 s and finally to 6 s over blocks of sessions. In Experiment 1, where S1 was kept at 2 s and S2 at 10 s, rats’ matching accuracy declined over the longer RI, was slightly disrupted as ITIs were reduced to 6 s only over 1-s RIs, and was generally poorer to the tone than light S1. In Experiment 2, where both stimuli were 10 s increasing RIs caused steeper declines in matching accuracy to the tone S1 than light S1 and decreasing ITIs to 6 s disrupted rats performance over both RIs. Matching accuracy to the tone but not to the light S1 was also poorer when a preceding trial's S2 was a light S2 than when it was a tone S2 only during Experiment 2. Thisintertrial stimulus disagreementeffect was not influenced by ITI duration. These results suggest that intertrial proactive interference in delayed matching tasks consists of two separate and independent processes in rats similar to those found in pigeons (Edhouse & White, 1988). 相似文献
106.
107.
Ruth M. Armstrong 《Pastoral Psychology》1985,34(2):77-81
Many women entering the Christian ministry are justifiably angry at the rejection, resentment, and condescension they often experience. What to do? Neither denial nor repression is the answer. Anger must be seen rather as a logical outcome of pioneer effort, a spiritual testing. To minister is to identify with Jesus in the role of suffering servant, and feel the pain of the hungry, while to reject suffering is to narcotize life. When suffering is part of fulfilling God's purpose, it can reach its highest idealization. 相似文献
108.
109.
We know very little about the development of rumination, the tendency to passively brood about negative feelings. Because rumination is a risk factor for many forms of psychopathology, especially depression, such knowledge could prove important for preventing negative mental health outcomes in youth. This study examined developmental origins of rumination in a longitudinal sample (N=337; 51% girls) studied in preschool (ages 3? and 4? years) and early adolescence (ages 13 and 15 years). Results indicated that family context and child temperament, assessed during the preschool period, were risk factors for a ruminative style in adolescence. Specifically, early family contexts characterised by over-controlling parenting and a family style of negative-submissive expressivity predicted higher levels of later rumination. These associations were moderated by children's temperamental characteristics of negative affect and effortful control. Further, the interaction of these temperament factors exerted an additional influence on later rumination. Implications for prevention and intervention efforts are discussed. 相似文献
110.
Armstrong LL 《Psychology, health & medicine》2012,17(1):116-124
The purpose of this study was to develop and begin to validate a brief self-report measure, the checklist of risk behaviours for youth (CORBY). This 15-item measure was designed to assess, over a 30-day period, multiple youth risk behaviours associated with mental health and well-being concerns. Early research provides initial support for the reliability and validity of the CORBY, but further research is warranted. The present study is the first to describe a brief survey addressing multiple youth risk behaviours, examining both the severity of health risk and number of behaviours in which youth are engaged. Such a measure may have important implications for both research and clinical applications. 相似文献