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841.
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Christopher Henry Cantor Ruth Tyman Penelope Joy Slater 《Suicide & life-threatening behavior》1995,25(4):499-507
Police suicide research has yielded inconsistent results. An opportunity presented to survey Queensland police suicides in a historical context and add to the existing literature; the study describes changes in police suicide over time, the associated characteristics, and opportunities for intervention. Suicides were examined from the origins of police in Queensland in 1843 up to 1992. Suicide rates were higher earlier, around 60 per 100,000, declining to around 20 per 100,000 recently. The recent rate is lower than most other police studies but the same as the general community (employed). Most suicides were associated with psychological and physical ill health, alcohol abuse, and domestic problems, in keeping with general community surveys. However, occupational problems were more evident than is generally the case. The proximity in time of disciplinary events and suicides was striking. Future studies should explore the interactions between these factors. 相似文献
844.
845.
Alan Slater Victoria Morison David Rose 《The British journal of developmental psychology》1984,2(4):287-294
The new-born baby' ability to detect similarities and differences between three-dimensional stimuli and their two-dimensional representations is investigated in three experiments, using both visual preference and habituation procedures. In Expt 1 new-borns strongly preferred (looked more at) complex objects to their photographs. This preference was found with monocular viewing, and suggests that motion parallax is a salient cue in the detection of the differences between the two- and three-dimensional stimuli. The results from Expt 2 support the view that, for the new-born, the differences between objects and their two-dimensional representations are more detectable or salient than their similarities. These conclusions were further supported by the results from the last experiment, using simpler stimuli, although the preference was for the two- rather than the three-dimensional stimuli. The results suggest that studies which use only two-dimensional stimuli may provide only limited information about the course of perceptual development, at least in the first few months from birth. 相似文献
846.
Aaron M. White PhD Erin MacInnes BS Ralph W. Hingson ScD I‐Jen Pan PhD 《Suicide & life-threatening behavior》2013,43(2):198-212
Drug poisoning is the leading method of suicide‐related deaths among females and third among males in the United States. Alcohol can increase the severity of drug poisonings, yet the prevalence of alcohol overdoses in suicide‐related drug poisonings (SRDP) remains unclear. Data from the Nationwide Inpatient Sample was examined to determine rates of inpatient hospital stays for SRDP and co‐occurring alcohol overdoses in adolescents (ages 12–17) and young adults (ages 18–24) between 1999 and 2008. Among adolescents, there were 14,615 hospitalizations for drug poisonings in 2008, of which 72% (10,462) were suicide‐related at a cost of $43 million. Rates of SRDP in this age group decreased between 1999 and 2008. The prevalence of co‐occurring alcohol overdoses increased from 5% in 1999 to 7% in 2008. Among young adults, there were 32,471 hospitalizations for drug poisonings in 2008, of which 64% (20,746) were suicide‐related at a cost of $110 million. Rates of SRDP did not change significantly between 1999 and 2008. The prevalence of co‐occurring alcohol overdoses increased from 14% in 1999 to 20% in 2008. Thus, while rates of SRDP decreased for adolescents and remained unchanged for young adults, the prevalence of co‐occurring alcohol overdoses increased for both age groups. Such hospitalizations provide important opportunities to employ intervention techniques to prevent further suicide attempts. 相似文献
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848.
Ralph E. Viator Nancy L. Harp Shannon B. Rinaldo Blair B. Marquardt 《Thinking & reasoning》2020,26(3):381-413
AbstractWe investigate whether non-miserly cognitive styles mediate the effects of cognitive ability and thinking dispositions on rational thought. Specifically, we review relevant literature on two dimensions that define non-miserly cognitive style: reflection-impulsivity and analytic-intuitive. We use these two dimensions to identify a continuum of cognitive styles that vary from miserly (impulsive-intuitive) to non-miserly (reflective-analytic) and are congruent with tendencies to commit specific rational thinking errors. Further, we argue that this continuum, which we label reflective-analytic cognitive style, mediates the effect of cognitive ability and thinking dispositions on rational thought. We conduct an experiment testing our predictions and find evidence, via structural equation modelling, that reflective-analytic cognitive style does mediate the effect of cognitive ability (as measured by working memory capacity) and thinking dispositions (as measured by need for cognition and actively open-minded thinking) on responses to traditional rational thinking tasks. 相似文献
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850.
Wesley J. Kasprow Doreen Catterson Todd R. Schachtman Ralph R. Miller 《The Quarterly Journal of Experimental Psychology Section B: Comparative and Physiological Psychology》1984,36(1):53-63
Using lick suppression by water-deprived rats as an associative index, white noise-footshock pairings resulted in less manifest conditioning when repeated non-reinforced presentations of the white noise preceded conditioning than when no stimulus pre-exposure was given, i.e., latent inhibition was observed. However, the latent inhibition deficit was reduced in animals who received as a reminder treatment shock-alone presentations in another context during the retention interval. Animals conditioned without prior stimulus pre-exposure and those exposed to the white noise and shock unpaired during the conditioning phase of the study showed no change in lick suppression as a result of the reminder treatment. These results suggest that the behavioural deficit produced by non-reinforced pre-exposure to the to-be-conditioned stimulus arises at least in part from a reversible retrieval failure rather than a lack of acquisition. 相似文献