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421.
Assessing cues from conspecifics is paramount during mate choice decisions. Neanthes acuminata is a marine polychaete with a unique life cycle: pair formation, female death following reproduction, male parental care and male ability to mate again after egg care. Males completing such egg care are ‘experienced’. Females have been shown to prefer experienced males over all others, including aggressively dominant males. As the female dies following reproduction, the reproductive success of her offspring depends upon successful parental care by the male. It is therefore vital that the female makes a good mate choice decision. This paper shows that the use of conditioned water from males caring for eggs and newly experienced males caused the female to alter her choice to a previously undesired male. However, conditioned water from males, which had reproduced but were isolated for 2 weeks, did not have the same effect on pairing behaviour. This indicates that the smell of experience is short lived. 相似文献
422.
423.
424.
Chelsea A. Reid Everett L. Worthington Jr. Rachel C. Garthe Don E. Davis Joshua N. Hook Daryl R. Van Tongeren 《The journal of positive psychology》2018,13(2):122-132
The transition to parenthood is a challenging experience that often strains relationships, but perceiving one’s partner as humble (actor relational humility) and being perceived by one’s partner as humble (partner relational humility) were hypothesized to benefit couples during this transition. Married couples (N = 69) were tracked from the third trimester of pregnancy through 21 months postpartum. Husbands and wives provided ratings of relational humility and dyadic adjustment. Actor–partner interdependence models tested actor and partner effects of relational humility on dyadic adjustment across the transition. Although couples declined in dyadic adjustment over the transition at the same rate regardless of relational humility (counter to Hypothesis 2), those higher in relational humility reported greater dyadic adjustment at each time point during the transition (consistent with Hypothesis 1). These findings support the benefits of relational humility to relationship quality, and we call for further research into humility’s benefits during times of relationship transition. 相似文献
425.
We tested two empirically validated 4-factor models of posttraumatic stress disorder (PTSD) symptoms using the PTSD Checklist: King, Leskin, King, and Weathers' (1998) model including reexperiencing, avoidance, emotional numbing, and hyperarousal factors, and Simms, Watson, and Doebbeling's (2002) model including reexperiencing, avoidance, dysphoria, and hyperarousal. Our aim was to determine which fit better in two groups of military veterans: peacekeepers previously deployed to a war zone (deployed group) and those trained for peacekeeping operations who were not deployed (nondeployed group). We compared the groups using multigroup confirmatory factor analysis. Adequate model fit was demonstrated among the nondeployed group, with no significant difference between King et al.'s (1998) model (separating avoidance and numbing) and Simms et al.'s (2002) similar model involving a dysphoria factor. A better fitting factor structure consistent with Simms et al.'s (2002) model was found in the deployed group. Comprehensive measurement invariance testing demonstrated significant differences between the deployed and nondeployed groups on all structural parameters, except observed variable intercepts (thus indicating similarities only in PTSD item severity). These findings add to researchers' understanding of PTSD's factor structure, given the revision of PTSD that will appear in the forthcoming 5th edition of the Diagnostic and Statistical Manual of Mental Disorders (American Psychiatric Association, 2010)--namely, that the factor structure may be quite different between groups with and without exposure to major traumatic events. 相似文献
426.
McGeary D Moore M Vriend CA Peterson AL Gatchel RJ 《Journal of clinical psychology in medical settings》2011,18(2):155-163
The present article reviews the growing prevalence of comorbid pain and post-traumatic stress disorder (PTSD) in the military. This has been caused by the ongoing military conflicts in Iraq and Afghanistan, where new combat conditions/strategies are causing these comorbid conditions. Fortunately, comprehensive interdisciplinary treatment programs, originally developed for a civilian population and in academic settings, are being successfully "translated" or utilized in the military environment. Recent data demonstrating this translational clinical intervention are presented. Finally, challenges encountered when translating these interventions in a military environment are also discussed. 相似文献
427.
Watkins DA Hui EK Luo W Regmi M Worthington EL Hook JN Davis DE 《The Journal of social psychology》2011,151(2):150-161
The present study examined the practice of forgiveness in Nepal. A model relating collectivism and forgiveness was examined. Participants (N = 221) completed measures of collectivism, individualism, forgiveness, conciliatory behavior, and motivations for avoidance and revenge toward the offender. Collectivism was positively related to forgiveness. Forgiveness was strongly related to conciliatory behavior and motivations for avoidance and revenge toward the offender. Decisional forgiveness was a stronger predictor of motivations for revenge than was emotional forgiveness. 相似文献
428.
Research in the field of mental chronometry and individual differences has revealed several robust regularities (Jensen, 2006). These include right-skewed response time (RT) distributions, the worst performance rule, correlations with general intelligence (g) that are more pronounced for RT standard deviations (RTSD) than they are for RT means (RTm), an almost perfect linear relation between individual differences in RTSD and RTm, linear Brinley plots, and stronger correlations between g and inspection time (IT) than between g and RTm. Here we show how all these regularities are manifestations of a single underlying relationship, when viewed through the lens of Ratcliff’s diffusion model (
[Ratcliff, 1978]
and
[Ratcliff et al., 2008]
). The single underlying relationship is between individual differences in general intelligence and individual differences in “drift rate”, which is just the speed of information processing in Ratcliff’s model. We also test and confirm a strong prediction of the diffusion model, namely that the worst performance rule generalizes to phenomena outside of the field of intelligence. Our approach provides an integrative perspective on intelligence findings. 相似文献
429.
The impact of context reinstatement (CR) on eyewitness recall and identification was explored in this study. Participants viewed a video of a staged theft and, following a 1‐week interval, were asked to identify the culprit and recall the event in either the same or in a different physical environment. Results suggested that CR enhanced the perceived familiarity of the lineup members, which in turn increased participants' willingness to identify someone in the lineup. Although CR significantly improved facial discrimination and identification accuracy when the target was present, it also increased confidence ratings beyond that warranted by the increase in accuracy. In terms of recall, reinstating the study context improved participants' free recall of both central and peripheral details and cued recall of peripheral details. The results were consistent with a (mis)attribution of familiarity and the outshining hypothesis. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献
430.
Gilles Dutilh Don van Ravenzwaaij Sander Nieuwenhuis Han L.J. van der Maas Birte U. Forstmann Eric-Jan Wagenmakers 《Journal of mathematical psychology》2012,56(3):208-216
In many response time tasks, people slow down after they make an error. This phenomenon of post-error slowing (PES) is thought to reflect an increase in response caution, that is, a heightening of response thresholds in order to increase the probability of a correct response at the expense of response speed. In many empirical studies, PES is quantified as the difference in response time (RT) between post-error trials and post-correct trials. Here we demonstrate that this standard measurement method is prone to contamination by global fluctuations in performance over the course of an experiment. Diffusion model simulations show how global fluctuations in performance can cause either spurious detection of PES or masking of PES. Both confounds are highly undesirable and can be eliminated by a simple solution: quantify PES as the difference in RT between post-error trials and the associated pre-error trials. Experimental data are used as an empirical illustration. 相似文献