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141.
The theoretical framework of General Recognition Theory (GRT; Ashby & Townsend, Psychological Review, 93, 154-179, 1986) coupled with the empirical analysis tools of Multidimensional Signal Detection Analysis (MSDA; Kadlec & Townsend, Multidimensional models of perception and recognition, pp. 181-228, 1992) have become one important method for assessing dimensional interactions in perceptual decision-making. In this article, we critically examine MSDA and characterize cases where it is unable to discriminate two kinds of dimensional interactions: perceptual separability and decisional separability. We performed simulations with known instances of violations of perceptual or decisional separability, applied MSDA to the data generated by these simulations, and evaluated MSDA on its ability to accurately characterize the perceptual versus decisional source of these simulated dimensional interactions. Critical cases of violations of perceptual separability are often mischaracterized by MSDA as violations of decisional separability. 相似文献
142.
David Gauthier 《Pacific Philosophical Quarterly》2001,82(3&4):258-284
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144.
College Students' Responses to Suicidal Content on Social Networking Sites: An Examination Using a Simulated Facebook Newsfeed
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Darcy J. Corbitt‐Hall BA Jami M. Gauthier MS Margaret T. Davis MS Tracy K. Witte PhD 《Suicide & life-threatening behavior》2016,46(5):609-624
Although Facebook has a peer‐initiated suicide prevention protocol, little is known about users' abilities to notice, recognize, and appropriately interpret suicidal content or about their willingness to intervene. In this study, 468 college students were randomly assigned to interact with a simulated Facebook newsfeed containing content reflecting various suicide risk levels. A larger proportion of those exposed to content reflecting moderate and severe suicide risk noticed, recognized, appropriately interpreted, and endorsed taking action to intervene, as compared to those exposed to content representing no or low risk. Overall, results indicate that college students are responsive to suicidal content on Facebook. 相似文献
145.
Elisabeth Bacon Jean-Marie Danion Francoise Kauffmann-Muller Agns Bruant 《Consciousness and cognition》2001,10(4):473-484
Recent studies have shown that schizophrenia may be a disease affecting the states of consciousness. The present study is aimed at investigating metamemory, i.e., the knowledge about one's own memory capabilities, in patients with schizophrenia. The accuracy of the Confidence level (CL) in the correctness of the answers provided during a recall phase, and the predictability of the Feeling of Knowing (FOK) when recall fails were measured using a task consisting of general information questions and assessing semantic memory. Nineteen outpatients were paired with 19 control subjects with respect to age, sex, and education. Results showed that patients with schizophrenia exhibited an impaired semantic memory. CL ratings as well as CL and FOK accuracy were not significantly different in the schizophrenic and the control groups. However, FOK ratings were significantly reduced for the patient group, and discordant FOK judgments were also observed more frequently. Such results suggest that FOK judgments are impaired in patients with schizophrenia, which confirms that schizophrenia is an illness characterized by an impaired conscious awareness of one's own knowledge. 相似文献
146.
Suicide Ideation,Alcohol Consumption,Motives, and Related Problems: Exploring the Association in College Students
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Jami M. Gauthier MS Tracy K. Witte PhD Christopher J. Correia PhD 《Suicide & life-threatening behavior》2017,47(2):142-154
Previous findings on the relationship between suicide ideation (SI) and alcohol misuse among college students are inconsistent, leading to conflicting clinical implications. We aimed to clarify this relationship in order to determine the utility of regarding alcohol misuse as a risk factor for SI in this population. Unselected college students (N = 545) completed an online survey including measures of alcohol consumption, problems, drinking motives, SI, and related variables. Our results suggest alcohol misuse is not a correlate of SI among college students; therefore, one should not assume that students who misuse alcohol are necessarily at increased risk for SI. 相似文献
147.
Darcy J. Corbitt‐Hall Jami M. Gauthier Wendy Troop‐Gordon 《Suicide & life-threatening behavior》2019,49(2):598-613
Although peer support in response to online disclosures of suicidality may be imperative for suicide prevention efforts, little is known as to how often support is provided or what predicts giving support. This study addresses this issue by investigating the odds of providing peer support in response to simulated online disclosures of suicidality. While interacting with a simulated Facebook newsfeed, participants (N = 690, Mage = 20.24, 527 female) were given the opportunity to leave comments on two posts disclosing low, moderate, or severe risk for suicide. Participants also completed questionnaires on their symptoms of depression and anxiety, experience with a loved one's suicidality, and Facebook use strategies. Only 33.6% of participants left a positive, supportive comment on at least one of the two suicide posts. Content severity, experience with a loved one's suicide attempts, and use of Facebook to meet people were predictive of providing positive comments. These findings suggest that young adults vary in their propensity to provide support after encountering a suicide disclosure online and that giving support is driven by a combination of contextual and intrapersonal factors. 相似文献
148.