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501.
502.
Bennett DJ 《Perception》2007,36(3):375-390
In a number of studies reaction time has been found to increase with increases in size ratio on a same -different form-comparison task. Bennett and Warren (2002, Perception & Psychophysics 64 462-477) teased apart environmental and retinal size ratios by showing the forms along a (simulated) texture hallway, viewed monocularly, on a simultaneous form-comparison task; roughly equal effects of environmental and retinal size ratios were found. The current study enhanced scene-size information by showing the forms in simulated stereo and by adding texture to the forms themselves; special care was also taken to perceptually isolate the stimuli. In two experiments, with different kinds of forms, strong effects of environmental size ratio were found; no effect of retinal size ratio (same trials) was observed in either experiment. The results support the hypothesis that the (same-trial) form-size codings reflect 'all told' estimates of environmental size, and place constraints on modeling the functional architecture of the visual system. 相似文献
503.
Roth B 《International journal of group psychotherapy》2004,54(4):477-489
In this paper a kind of therapeutic failure in psychoanalytic group work, one that is common but frequently overlooked, is described. Essentially this failure is the result of patients who mislead the therapist by lying and by a negative process of thought that works against analytic aims of acquiring understanding and emotional truth. These processes and their effects, as they are manifested by an individual patient in a group and by the therapist, are described. Bion's later theory of K and -K offers a framework for the discussion of the group events. 相似文献
504.
Campbell R Dorey H Naegeli M Grubstein LK Bennett KK Bonter F Smith PK Grzywacz J Baker PK Davidson WS 《American journal of community psychology》2004,34(3-4):251-262
Using an empowerment evaluation approach, the Sexual Assault and Rape Prevention (SARP) Evaluation Project brought together university researchers, public health evaluators, state funders, and program staff to provide evaluation training and consultation to all state-funded rape prevention and victim services programs in Michigan. In this paper, the specific activities of the SARP project are described, and process and outcome data are presented that address the effectiveness of this empowerment evaluation approach. Based on subjective reports from program staff and objective data obtained from state funders, results suggest that this evaluation model was successful in helping 90% of the prevention programs and 75% of the victim services programs successfully develop and launch program evaluations. One-year follow-up data indicate that 90% of the programs had sustained their evaluation efforts after the formal work of the SARP project had ended. 相似文献
505.
Bouts of responding: the relation between bout rate and the rate of variable-interval reinforcement
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By nose poking a lighted key, rats obtained food pellets on either a variable-interval schedule of reinforcement or a schedule that required an average of four additional responses after the end of tile variable-interval component (a tandem variable-interval variable-ratio 4 schedule). With both schedule types, the mean variable interval was varied between blocks of sessions from 16 min to 0.25 min. Total rate of key poking increased similarly as a function of the reinforcer rate for the two schedule types, but response rate was higher with than without the four-response requirement. Analysis of log survivor plots of interresponse times showed that key poking occurred in bouts. The rate of initiating bouts increased as a function of reinforcer rate but was either unaffected or was decreased by adding the four-response requirement. Within-bout response rate was insensitive to reinforcer rate and only inconsistently affected by the four-response requirement. For both kinds of schedule, the ratio of bout time to between-bout pause time was approximately a power function of reinforcer rate, with exponents above and below 1.0. 相似文献
506.
Lim J Macluran M Price M Bennett B Butow P;kConFab Psychosocial Group 《Journal of genetic counseling》2004,13(2):115-133
Forty-seven unaffected women from high-risk breast cancer families who had received results for hereditary breast/ovarian predisposition genes between 1 month and 5 years ago were interviewed regarding their experiences. Women responded to open-ended questions. The initial emotional turmoil reported by most was generally short lived. However, the impact of genetic testing went beyond the individual to the extended family and social context, particularly in the short-term. A common theme was the difficulty associated with divulging a result to family members, who were also adjusting to their own result. The majority of carriers reported advantages that were both physical (options for surveillance programs and prophylactic surgery) and emotional (reduced uncertainty, increased awareness of options and knowledge about risk, preparation time). Most carriers reported no change in lifestyle although some reported discovering their mutation status as a positive life-changing experience. Implications for genetic counseling and further research are discussed. 相似文献
507.
This study examines the relation between proactive and reactive antisocial behavior with Attention-Deficit/Hyperactivity Disorder (ADHD) symptoms. Caregivers of children aged 8 to 15 (n = 84) being evaluated at a child psychiatry outpatient clinic served as participants. Given the conceptual similarity between reactive antisocial behavior (ASB) and particular ADHD symptoms, we hypothesized that ADHD symptoms would be more closely related to reactive than to proactive ASB. Based on peer deviancy training models of ASB, we also hypothesized that the relation between ADHD symptoms and proactive ASB would increase from middle childhood to adolescence. Both hypotheses were supported. These findings suggest that reactive ASB is relatively specific to ADHD symptoms, and that intervening before early adolescence may be critical to prevent the onset of comorbid proactive ASB. 相似文献
508.
Over the last 25 years, there has been a rapid expansion of our knowledge base of social phobia (SP). Although there are a number of well-validated treatment modalities, including pharmacotherapy and cognitive-behavioral therapy, significant gaps remain in our ability to achieve full remission in most patients. Despite advances in the neurobiology of SP, the etiology has yet to be determined. Investigations examining potential predictors of response have provided little guidance in selecting an appropriate treatment modality. These gaps in our knowledge have pushed us to examine issues related to treatment resistance. This paper presents a review of the current literature and issues related to treatment-resistant SP, including a discussion of the functional impairment associated with SP, definitions of treatment response and remission, as well as outcome measures that have been used in clinical investigations of SP. In addition, criteria for a standard treatment trial, predictors of treatment response, a review of treatment resistance studies, and potential directions for future research are examined. The most promising strategies to attain remission, will likely involve augmenting selective serotonin reuptake inhibitors or serotonin-norepinephrine reuptake inhibitors with agents such as anticonvulsants, benzodiazepines, and antipsychotics as well as combining pharmacotherapy with cognitive-behavioral therapy. Our current treatment target of simply attaining a response needs to be refocused, so that an asymptomatic state and high end state functioning become the final goal of treatment. 相似文献
509.
Event memory and misinformation effects were examined in an adult male gorilla ( Gorilla gorilla gorilla). The gorilla witnessed a series of unique events, involving a familiar person engaging in a novel behavior (experiment 1), a novel person engaging in a novel behavior (experiment 2), or the presentation of a novel object (experiment 3). Following a 5- to 10-min retention interval, a tester gave the gorilla three photographs mounted on wooden cards: a photograph depicting the correct person or object and two distractor photographs drawn from the same class. The gorilla responded by returning a photograph. If correct, he was reinforced with food. Across three experiments, the gorilla performed significantly above chance at recognizing the target photograph. In experiment 4, the gorilla showed at-chance performance when the event was followed by misinformation (a class-consistent, but incorrect photograph), but significantly above-chance performance when no misinformation occurred (either correct photograph or no photograph). Although the familiarity can account for these data, they are also consistent with an episodic-memory interpretation. 相似文献
510.
In four experiments, we examined whether generalization to unfamiliar views was better under stereo viewing or under nonstereo viewing across different tasks and stimuli. In the first three experiments, we used a sequential matching task in which observers matched the identities of shaded tube-like objects. Across Experiments 1-3, we manipulated the presentation method of the nonstereo stimuli (having observers wear an eye patch vs. showing observers the same screen image) and the magnitude of the viewpoint change (30 degrees vs. 38 degrees). In Experiment 4, observers identified "easy" and "hard" rotating wire-frame objects at the individual level under stereo and nonstereo viewing conditions. We found a stereo advantage for generalizing to unfamiliar views in all the experiments. However, in these experiments, performance remained view dependent even under stereo viewing. These results strongly argue against strictly 2-D image-based models of object recognition, at least for the stimuli and recognition tasks used, and suggest that observers used representations that contained view-specific local depth information. 相似文献