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111.
Mediational studies are often of interest in psychology because they explore the underlying relationship between 2 constructs. Previous research has shown that cross-sectional designs are prone to biased estimates of longitudinal mediation parameters. The sequential design has become a popular alternative to the cross-sectional design for assessing mediation. This design is a compromise between the cross-sectional and longitudinal designs because it incorporates time in the model but has only 1 measurement each of X, M, and Y. As such, this design follows the recommendation of the MacArthur group approach, which stresses the importance of multiple waves of data for studying mediation. These 2 designs were compared to see whether the sequential design assesses longitudinal mediation more accurately than the cross-sectional design. Specifically, analytic expressions are derived for the bias of estimated direct and indirect effects as calculated from the sequential design when the actual mediational process follows a longitudinal autoregressive model. It was found that, in general, the sequential design does not assess longitudinal mediation more accurately than the cross-sectional design. As a result, neither design can be depended on to assess longitudinal mediation accurately. 相似文献
112.
Mitchell B. Chamlin 《Deviant behavior》2013,34(6):539-559
A number of observers have questioned the efficacy of model specifications designed to falsify the conflict perspective of crime control. Exploiting the quasi-experimental qualities of Cincinnati's recent race-related riot, this study employs interrupted time series techniques to evaluate a component of conflict theory, the racial threat hypothesis. In brief, the autoregressive integrated moving average (ARIMA) transfer function models indicate that, upon controlling for the potentially confounding effects of robbery offenses, the April 2001 riot led to a lasting increase in the level of robbery arrests. The implications of this investigation for distinguishing between the predictions of conflict and consensus theories of crime control are discussed. 相似文献
113.
Shari R. Waldstein Jussi Kauhanen Serina A. Neumann Leslie I. Katzel 《Psychology & health》2013,28(5):597-610
Psychosocial correlates of alexithymia were examined in 102 healthy, older adults (ages 53-83; 76% male). Alexithymic ( n = 26) and non-alexithymic ( n = 30) groups, defined by top ( S 70) and bottom ( h 54) quartiles of the distribution of Toronto Alexithymia Scale (26-item) scores, were compared with respect to psychosocial, psychophysiological, and biomedical risk factors for cardiovascular disease. Both categorical ratings and continuous scores of alexithymia were associated with significantly greater levels of trait anxiety, anger-in, neuroticism, hostility, perceived stress, depression, and lower levels of social support. Compared to non-alexithymics, alexithymics displayed significantly greater blood pressure responses to anger provocation and tended to have a greater percent body fat. The groups did not differ in resting cardiovascular parameters, heart rate reactivity, fasting glucose and lipoprotein lipids, body mass index, waist-to-hip ratio, social desirability, or trait anger. These findings suggest several psychosocial and psychophysiological pathways by which alexithymia may confer risk for cardiovascular disease among older adults. 相似文献
114.
Jennifer H. Mitchell Carol Newall Suzanne Broeren Jennifer L. Hudson 《Behaviour research and therapy》2013,51(9):547-554
The main aim of this study was to determine whether pre-treatment levels of child perfectionism impacted on anxiety treatment outcomes for school-aged children. In addition, it was investigated whether child perfectionism decreased following treatment for anxiety. Participants were sixty-seven clinically anxious children aged 6–13 years (female = 34; majority Caucasian) who were enrolled in a group-based cognitive behaviour therapy program, and their parents. They completed self-report questionnaires on anxiety and depressive symptoms and were administered a diagnostic interview to determine the type and clinician rated severity of anxiety and related disorders pre- and post-treatment and at 6-month follow-up. Self- and parent-rated perfectionism were also measured pre-treatment, while a subset of children completed perfectionism measures post-treatment as well. Self-Oriented Perfectionism, but not Socially Prescribed Perfectionism, predicted poorer self-reported treatment outcome (higher levels of anxiety symptoms) immediately following treatment and at 6-month follow-up when using a multi-informant approach. Additionally, both Self-Oriented and Socially Prescribed child perfectionism significantly reduced immediately following treatment. Despite reductions in child perfectionism following anxiety treatment, higher Self-Oriented Perfectionism may impact negatively on child anxiety treatment outcome. 相似文献
115.
Theodore E. Zorn Mitchell S. McKinney Megan M. Moran 《Journal of constructivist psychology》2013,26(2):139-166
We report three studies in which we examined the structure of interpersonal construct systems. We attempted to identify (a) the degree to which individuals' differentiation in the constructs they used to construe themselves paralleled the differentiation in the constructs they used to construe other and (b) the differences and similarities in the content of constructs used by subjects to construe themselves, liked peers, and disliked peers. In addition, we compared the content of the liked- and disliked-peer constructs with those used by employees construing co-workers in a previous study. Findings indicated that Ziller, Martell, and Morrison's (1977) checklist measure of self differentiation was weakly correlated in the first sample and uncorrelated in the second sample with Crockett's (1965) Role Category Questionnaire (RCQ), a measure of other differentiation. Differentiation scores from the other and self versions of the RCQ were moderately correlated. Content analyses revealed that self constructs were drawn largely from the same pool as those used in describing liked and disliked peers; they were more similar to the liked-peer constructs than the disliked-peer ones, but also drew heavily on the disliked-peer construct pool. Constructs used to describe liked and disliked peers were very similar to those used to describe co-workers but were clearly influenced by context. To account for the findings, we suggest that constructs become meaningful and thus prominent in a particular domain because of their usefulness for the particular construal tasks encountered in that domain. 相似文献
116.
Catherine J. Lutz-Zois Karisa A. Moler Mitchell J. Brown 《Journal of aggression, maltreatment & trauma》2013,22(1):84-101
We explored mechanisms for the relationship between traditional masculine ideologies and rape myth acceptance. We hypothesized that locus of control would serve as a mediator for victim precipitation rape myths, and negative attitudes toward women would serve as a mediator for victim masochism and victim fabrication rape myths. Using a sample of 100 male college students, the results indicated that negative attitudes toward women mediated the relationship between traditional masculine ideologies and all 3 types of rape myths, but locus of control did not serve as a mediator for any. Implications and directions for future research are discussed. 相似文献
117.
David B. Mitchell Frederick A. Schmitt 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(3-4):611-635
ABSTRACT Implicit memory processes were investigated via picture naming in healthy young and older adults and in persons with mild Alzheimer's disease (AD). Repetition priming in picture-naming was intact in all groups over the course of a short retention interval (seconds), and only the AD group revealed a deficit over a longer interval (72 hours). In addition, the AD group showed impaired procedural memory, with no benefit of practice on picture-naming. Impaired long-term priming was related to severity of AD. Both theoretical and methodological implications are discussed. 相似文献
118.
Dr. Norbert Schalast Melanie Steffen Shari Boateng 《Forensische Psychiatrie, Psychologie, Kriminologie》2013,7(2):94-104
Over the past 20 years various studies have yielded findings regarding the treatment of offenders in forensic addiction treatment centers in Germany (section 64 of the Penal Code). For a number of reasons these studies hardly allow quantification of the assessment of the rehabilitative success of treatment. In 2009 the Institute of Forensic Psychiatry at the University of Essen, Germany was commissioned to engage in a long-term evaluation study that will be completed in 2017. The project is supported by the Ministry of Health of the State of North-Rhine Westphalia. The present paper summarizes the methodology of the study and draws up an interim balance of the data collection. The study involves the follow-up of 300 patients from 16 forensic mental hospitals from entry into the institution to discharge and further on to living in the community including a“time at risk of at least 2 years. A number of these patients will drop out of treatment by being sent back to prison. The rate of criminal recidivism in the complete group of subjects will be compared to a matched control group of 300 offenders serving a prison sentence only. Potential error sources related to the data collection are discussed in the paper. 相似文献
119.
In the current neurolinguistic literature, two proposals have been put forth to account for the deficit in ambiguous word processing observed in nonfluent aphasic patients. One proposal maintains that these individuals are impaired in the selective access of ambiguous word meanings, while the other argues that they are impaired in the process of contextual selection. In the present study, nonfluent aphasic patients and elderly control subjects participated in a semantic priming experiment, in which ambiguous words were presented in different biasing contexts at both a 0- and 750-ms ISI. At both ISIs, control subjects showed context-selective access, in that only contextually appropriate meanings were activated. In contrast, at the 0-ms ISI, the nonfluent aphasic patients showed activation of both meanings of the ambiguous word regardless of context. Only at the 750-ms ISI did they exhibit context-selective access. These results are consistent with the proposal that left hemisphere damage causing nonfluent aphasia results in an impairment in rapidly integrating lexical-semantic information into context. 相似文献
120.