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51.
The link between automatic and effortful processing and nonanalytic and analytic category learning was evaluated in a sample of 29 college undergraduates using declarative memory, semantic category search, and pseudoword categorization tasks. Automatic and effortful processing measures were hypothesized to be associated with nonanalytic and analytic categorization, respectively. Results suggested that contrary to prediction strong criterion-attribute (analytic) responding on the pseudoword categorization task was associated with strong automatic, implicit memory encoding of frequency-of-occurrence information. Data are discussed in terms of the possibility that criterion-attribute category knowledge, once established, may be expressed with few attentional resources. The data indicate that attention resource requirements, even for the same stimuli and task, vary depending on the category rule system utilized. Also, the automaticity emerging from familiarity with analytic category exemplars is very different from the automaticity arising from extensive practice on a semantic category search task. The data do not support any simple mapping of analytic and nonanalytic forms of category learning onto the automatic and effortful processing dichotomy and challenge simple models of brain asymmetries for such procedures. 相似文献
52.
Representation and Reasoning about Evolutions of the World in the Context of Reasoning about Actions
The first step in reasoning about actions and change involves reasoning about how the world would evolve if a certain action
is executed in a certain state. Most research on this assumes the evolution to be only a single step and focus on formulating
the transition function that defines changes between states due to actions. In this paper we consider cases where the evolution
is more than just a single change between one state and another. This is manifested when the execution of an action may trigger
execution of other actions, or when multiple agents act on the environment following certain strategies. 相似文献
53.
Based on worldwide consultations with experts in science and ethics the revised CIOMS 2002 International Ethical Guidelines
for Biomedical Research Involving Human Subjects provide guidance on when the use of placebo as a comparator in clinical research
is ethically acceptable. The article reviews the main points of the CIOMS Guidelines and commentaries including the use of
placebo in situations where the best current method is available and the relation of placebo to established effective intervention.
It discusses the use of placebo in externally sponsored research in low-resource countries and requirements for informed consent
related to placebo studies.
An earlier version of this paper was presented at an international conference, “Placebo: Its Action and Place in Health Research
Today,” held in Warsaw, Poland on 12–13 April, 2003. 相似文献
54.
Julia K. Wolff Lisa M. Warner Jochen P. Ziegelmann Susanne Wurm 《Psychology & health》2013,28(8):915-932
Objective: Physical activity is a key factor for healthy ageing, yet many older people lead a sedentary lifestyle. Traditional physical activity interventions do not consider the specific needs and views of older adults. As views on ageing are known to be related to health behaviours, the current study evaluates the effectiveness of prompting positive views on ageing within a physical activity intervention.Design: Randomised controlled trial with three groups aged 65+: Intervention for physical activity with ‘views-on-ageing’-component (n?=?101; IGVoA), and without ‘views-on-ageing’-component (n?=?30; IG), and active control intervention for volunteering (n?=?103; CG).Main outcome measures: Attitudes towards older adults and physical activity were assessed five weeks before intervention, two weeks, six weeks and 8.5?months after the intervention.Results: Compared to the IG and CG, positive attitudes towards older adults increased in the IGVoA after the intervention. For IGVoA, the indirect intervention effect on change in activity via change in attitudes towards older adults was reliable.Conclusion: A ‘views-on-ageing’-component within a physical activity intervention affects change in physical activity via change in views on ageing. Views on ageing are a promising intervention technique to be incorporated into future physical activity interventions for older adults. 相似文献
55.
The article introduces the Parental Sensitivity Assessment Scale (PSAS) and examines the influence of the PSAS score and other factors on the general cognitive level in pre-school children born with very low birth weight (VLBW). McCarthy general cognitive index (GCI) was obtained for 102 VLBW and 92 normal birth weight (NBW) control children in Denmark in the mid-1980s. The mean ages of the two groups were 52.4 vs. 53.1 months. Parental sensitivity was assessed using PSAS. There was no significant difference in the mean PSAS score between the two birth weight groups (p > 0.3). Birth weight group (p < 0.001) and mother's schooling (p= 0.026) significantly correlated with GCI in the children. The PSAS score was highly significantly correlated to the variance of the GCI (p < 0.001), which was not explained by VLBW and mother's schooling. We found no interactional effect between parental sensitivity and birth weight group (p > 0.5) - the prematurely born children were not more affected by low parental sensitivity than were the control children. 相似文献
56.
Lubin A 《American journal of psychoanalysis》2005,65(4):367-379
The need to establish a borderline between legitimate and illegitimate political trial is one of the central societal discourses.
In this paper the author claims that the issues are complex and that a political trial can remain legitimate as long as it
is not dealing with a confrontation with the symbolic order on which the society (and the court itself) is founded and as
long as the subject (or action) it is dealing with does not threaten the symbolic order’s (or the “Big Other”) existence.
When the symbolic order’s existence is in danger, the court is bound to participate in an act of “sacrifice” that is intended
to protect the “order.” The author uses Jacques Lacan’s psychoanalytic theory of the “Big Other” (and its development to ideological-political
terms) in examining three categories of sacrifice. Through these categories the author claims that in extreme cases of confrontation
with the existence of the symbolic order, the court cannot remain objective and it would be difficult to justify the trial
as legitimate (especially in historical perspective). 相似文献
57.
An emerging population-based paradigm is now being used to guide the design of preventive trials used to test developmental models. We discuss elements of the designs of several ongoing randomized preventive trials involving reduction of risk for children of divorce, for children who exhibit behavioral or learning problems, and for children whose parents are being treated for depression. To test developmental models using this paradigm, we introduce three classes of design issues: design for prerandomization, design for intervention, and design for postintervention. For each of these areas, we present quantitative results from power calculations. Both scientific and cost implications of these power calculations are discussed in terms of variation among subjects on preintervention measures, unit of intervention, assignment, balancing, number of pretest and posttest measures, and the examination of moderation effects. 相似文献
58.
《Behavior Therapy》2023,54(1):119-131
Internet-based psychological interventions have proven effective in the treatment of prolonged grief disorder (PGD). Yet, some patients do not benefit from treatment in a clinically significant way. We aimed to examine predictors of symptom reduction in an Internet-based intervention for PGD after cancer bereavement, in order to identify possible treatment mechanisms and discern directions for future intervention design. A secondary analysis of data from a randomized wait-list controlled trial on an Internet-based intervention for PGD after cancer bereavement was conducted. Multiple regression models were used (1) to test for the influence of pretreatment PGD, working alliance, avoidance and gender on PGD symptom reduction; and (2) to explore further predictors of treatment success with a best subset selection protocol. The regression models explained 18% (Model 1) and 34% (Model 2) of variance in symptom reduction. Participants with more favorable symptom change had more severe pretreatment PGD scores and better working alliance. Those with lower social support and less posttraumatic growth experienced more PGD symptom change. In conclusion, therapeutic alliance is an important factor that should be monitored and fostered. Findings regarding social support and posttraumatic growth need further replication and clarification. 相似文献
59.
《Behavior Therapy》2023,54(5):916-928
State body shame is a risk factor for eating disorders, and self-compassion is emerging as a potentially effective treatment option in such cases. This study tested the efficacy of a brief (15-minute) self-compassion intervention in reducing state body shame. Using dismantling trial methodology, participants were randomly allocated to an active compassion condition (n = 23), an inactive control compassion condition (n = 23), or an educational control condition (n = 23). Measures of state body image and state shame were collected pre-intervention, immediately after the intervention, and a day after the intervention. Subjective units of state body shame (SUBS) were intensively measured during each invention. Self-compassion interventions were equally efficacious at protecting against deterioration of state body shame and were effective at reducing state shame compared to the educational control condition, with medium effect sizes (respectively – np2 = .07 and np2 = .08). Reductions in state shame were retained at follow-up. None of the interventions had an effect on body image (np2 = .04). Findings demonstrate the clinical promise of brief self-compassion interventions, particularly as evidenced-based “homework” exercises. 相似文献
60.
Ronald M. Rapee Therese Shaw Caroline Hunt Kay Bussey Jennifer L. Hudson Cathrine Mihalopoulos Clare Roberts Sally Fitzpatrick Naomi Radom Tommy Cordin Melanie Epstein Donna Cross 《Aggressive behavior》2020,46(3):193-209
Despite the extensive evaluation of school-based interventions for bullying, victimization remains a significant problem in schools. Bullying victimization is significantly predicted by contextual (school-related) factors. As a consequence whole-school programs have been commonly used to prevent and reduce bullying victimization. Evidence also points to individual risk factors (such as emotional distress) in predicting victimization, yet programs to prevent bullying victimization by changing these individual risks are far less developed. Few studies have approximated “real-world” implementation conditions in their trials. The current effectiveness trial evaluated the combination of a whole-school program designed to prevent bullying perpetration and victimization together with a targeted intervention for at-risk students, teaching them individual and dyadic strategies to reduce their anxiety and manage victimization, allowing schools some latitude to implement programs as they typically would. Students from Grades 3 and 4 (N = 8,732) across 135 schools were randomly assigned to one of four conditions: combined intervention; whole-school intervention only; individual intervention only; and care as usual. Victimization decreased significantly and similarly across all four conditions at 12 and 24 months following baseline. Similar reductions and failure to discriminate conditions were found on other key constructs: anxiety; bullying perpetration; and depression. Possible reasons for the failure to demonstrate victimization prevention differences and lessons learned from this large, effectiveness trial are considered. 相似文献