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181.
Carl Martin Allwood Pr Anders Granhag 《Organizational behavior and human decision processes》1996,66(3):277-289
This study compares the realism of confidence judgments made by individuals and pairs of their answers to general knowledge questions, using a within-subjects design. In the initial Control condition, subjects first answered 30 questions and then confidence rated the chosen answer. For the next 30 questions (Condition 2), they wrote down an argument for the chosen answer and then confidence-rated their answer. In the third condition, the 40 subjects were divided into 20 pairs who then answered and confidence-rated the same 30 questions as in Condition 2. Pair members were asked to collaborate on all parts of the task. The results showed that overconfidence decreased in the Pair condition compared with the Single conditions. Analysis of the interaction in the Pair condition showed a higher overconfidence in those instances where one pair member dominated the interaction totally. Other analyses of the interaction in the Pair condition also supported the importance of argumentation between the pair members for realistic confidence judgments. A comparison with previous research suggests that the fact that the subjects first attempted the questions individually may have increased the proportion correct answers and limited the increase in confidence in the Pair condition. A control study, checking for the effect of subjects answering the same questions twice, found no effect of repetition for any of the three calibration measures used. 相似文献
182.
183.
Choices between positive and negative reinforcement during treatment for escape-maintained behavior.
I G DeLeon P L Neidert B M Anders V Rodriguez-Catter 《Journal of applied behavior analysis》2001,34(4):521-525
Positive reinforcement was more effective than negative reinforcement in promoting compliance and reducing escape‐maintained problem behavior for a child with autism. Escape extinction was then added while the child was given a choice between positive or negative reinforcement for compliance and the reinforcement schedule was thinned. When the reinforcement requirement reached 10 consecutive tasks, the treatment effects became inconsistent and reinforcer selection shifted from a strong preference for positive reinforcement to an unstable selection pattern. 相似文献
184.
Regression among factor scores 总被引:1,自引:0,他引:1
Structural equation models with latent variables are sometimes estimated using an intuitive three-step approach, here denoted
factor score regression. Consider a structural equation model composed of an explanatory latent variable and a response latent
variable related by a structural parameter of scientific interest. In this simple example estimation of the structural parameter
proceeds as follows: First, common factor models areseparately estimated for each latent variable. Second, factor scores areseparately assigned to each latent variable, based on the estimates. Third, ordinary linear regression analysis is performed among the
factor scores producing an estimate for the structural parameter. We investigate the asymptotic and finite sample performance
of different factor score regression methods for structural equation models with latent variables. It is demonstrated that
the conventional approach to factor score regression performs very badly. Revised factor score regression, using Regression
factor scores for the explanatory latent variables and Bartlett scores for the response latent variables, produces consistent
estimators for all parameters. 相似文献
185.
The likelihood of false recall in the Deese-Roediger-McDermott (DRM) paradigm was shown to depend on encoding context in two experiments. When fillers had been preselected to decrease the likelihood of encoding the critical lure's semantic features, false recall was virtually eliminated. However, when the same words were presented rearranged in different presentation orders, levels of false recall that were found in earlier DRM studies (Robinson & Roediger, 1997) were replicated. The role of encoding processes in the DRM paradigm was further explored with additional participants completing the experiment while thinking aloud. During encoding of word lists, participants verbalized semantic elaboration of the critical lure while studying the word lists. A path analysis demonstrated that participants' verbalization of critical lures during encoding reliably predicted their level of false recall. 相似文献
186.
The detrimental phonological similarity effect (PSE), a robust finding in serial recall of words, sometimes reverses with
nonwords. The current study tested the hypothesis that nonwords benefit from phonological similarity because they are harder
to retrieve. In two experiments serial recall and serial reconstruction of visually presented words and nonwords were compared.
Phonological similarity is known to have a positive effect on item memory and a negative effect on position accuracy in serial
recall, and the demands on item retrieval were greatly reduced in the latter task. PSE occurred for words in both tasks and
was reversed for nonwords in serial recall, but not in serial reconstruction—a new finding in the literature. The following
conclusions can be made: (1) the detrimental PSE on order retrieval occurs irrespective of lexicality, in accordance with
prominent short-term memory models; and (2), the positive PSE on item retrieval is crucially affected by lexicality, a finding
less well explained by the existing models. 相似文献
187.
Announcement
IMPS 2008 PLANNED SESSIONS 相似文献188.
This study investigates the relationship between the self-report Youth Psychopathic Traits Inventory (YPI) and the clinician-rated Psychopathy Checklist: Youth Version (PCL:YV). A representative sample of 92 girls and 70 boys, 12 to 20 years of age (mean age, 17 years), who received services at a clinic for adolescents with substance misuse problems, was studied. Moderate correlations (r =.30-.51) were found between conceptually corresponding YPI and PCL:YV factor scores among both boys and girls, whereas correlations between individual subscales of the YPI and items of the PCL:YV were not as consistent. A cross-tabulation of groupings based on the three-factor models of the two instruments largely supported the categorical convergent validity of the YPI, particularly for low and high scorers. Although more studies with larger samples are needed, results indicate that the YPI is a cost-effective measure of psychopathic traits in adolescents in research settings. 相似文献
189.
Capturing naturally occurring superior performance in the laboratory: translational research on expert performance 总被引:1,自引:0,他引:1
One of the central challenges to studying highly skilled performance in the laboratory is methodological. It is necessary to develop standardized methods that allow investigators to make experts repeatedly reproduce their superior performance in the laboratory. The recent increase in demand for translational research has raised related issues of how everyday phenomena, such as successful clinical treatments and expert achievement, can be reproduced in the laboratory and how laboratory studies of these phenomena can lead to successful interventions in everyday life. The expert-performance approach was developed as a framework for capturing, analyzing, and accounting for complex acquired skills and adaptations. Performance is initially captured and elicited in the laboratory using tasks representative of core activities in the domain. Process-tracing measures are employed to identify the mechanisms that mediate the reproducibly superior performance. Finally, the factors responsible for the development of the mediating mechanisms are studied by a retrospective analysis of training activities, such as deliberate practice, as well as genetic prerequisites. The principles and mechanisms discovered need then be validated using more traditional longitudinal and experimental designs. 相似文献
190.
Sara Landström Emma Roos Af Hjelmsäter Pär Anders Granhag 《Journal of Investigative Psychology & Offender Profiling》2007,4(3):199-208
In this case study, we examined how variations of the camera perspective affect adults' assessment of veracity in a real‐life high‐stake situation; a masked male confessing to a very serious crime. The interview, conducted by one of Sweden's most awarded journalists, lasted 30 minutes and consisted of over 100 detailed questions about the crime. The interview was videotaped simultaneously by three cameras positioned at different locations, each taking a unique visual perspective. One camera focused on the suspect only, one on the interviewer only, and one equally on the suspect and the interviewer. Each videotape was shown to 32 adult observers (N = 96) who were asked to assess the suspect's veracity and to report subjective cues justifying their veracity assessment. The results confirmed the camera perspective bias, by showing that the observers in the ‘suspect only’ condition assessed the confession as significantly more reliable than did the observers in the ‘interviewer only’ condition. The observers reported that they relied heavily on verbal cues when assessing the confession, and particularly regarding confidence and consistency. Copyright © 2008 John Wiley & Sons, Ltd. 相似文献