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91.
C. R. McCormick R. S. Redden M. A. Lawrence R. M. Klein 《Attention, perception & psychophysics》2018,80(8):1885-1891
Temporal attention is the focusing of perceptual resources at a particular point in time. Valid temporal cue information has the capability to improve performance by reducing reaction times, while invalid information has the possibility of impairing performance. The performance difference between valid and invalid conditions is called a temporal cueing effect (TCE). We explored how different alerting mechanisms interact with a participant’s ability to utilize temporal information cues, using the Kingstone (The Quarterly Journal of Experimental Psychology, 44(1), 69–104, 1992) temporal cueing paradigm. Extracting the alerting procedure from Lawrence and Klein (Journal of Experimental Psychology: General, 142(2), 560–572, 2013), one of two different temporally contingent warning signals were presented to participants during a trial. The “hi-intensity” warning signal increases intensity and elicits both exogenous and endogenous alerting mechanisms. The “no-intensity” warning signal is isointense relative to baseline and elicits only endogenous alerting mechanisms. Two experiments conducted previously using a discrimination task showed interference between the signal intensity and task difficulty, where the “no-intensity” signal failed to elicit TCEs. In the present study, we implemented a detection task, reducing the mental effort required for a response. The results showed equal TCEs in both signal conditions. We argue for independence of these alerting mechanisms, by way of Sternberg’s (Acta Psychologica, 30, 276–315, 1969) additive factor method. Arguments contrasting what mechanism is being impacted by this paradigm are further outlined. 相似文献
92.
The current study sought to explore the measurement invariance of the SATAQ-3 across gender using a single mixed gender sample consisting of 122 men and 268 women. Participants' age ranged from 18 to 36 years (M=19.6, SD=1.9). Preliminary results indicate that the 28 item scale was a poor fit for either gender in the current sample. Reverse scored items were deleted as they formed a unique method factor with low factor loadings. The resulting 21 items were a good fit to the hypothesized four factor model for both males and females and established evidence of both strict factorial invariance and population heterogeneity across groups. Coefficient alpha estimates of internal consistency reliability ranged from .79 to .94. These findings support use of the SATAQ-3 in mixed gender samples and validate previous research that reported analysis of gender-based mean differences. 相似文献
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95.
Psychometric properties of the life events checklist 总被引:1,自引:0,他引:1
The Life Events Checklist (LEC), a measure of exposure to potentially traumatic events, was developed at the National Center for Posttraumatic Stress Disorder (PTSD) concurrently with the Clinician Administered PTSD Scale (CAPS) to facilitate the diagnosis of PTSD. Although the CAPS is recognized as the gold standard in PTSD symptom assessment, the psychometric soundness of the LEC has never been formally evaluated. The studies reported here describe the performance of the LEC in two samples: college undergraduates and combat veterans. The LEC exhibited adequate temporal stability, good convergence with an established measure of trauma history -- the Traumatic Life Events Questionnaire (TLEQ) -- and was comparable to the TLEQ in associations with variables known to be correlated with traumatic exposure in a sample of undergraduates. In a clinical sample of combat veterans, the LEC was significantly correlated, in the predicted directions, with measures of psychological distress and was strongly associated with PTSD symptoms. 相似文献
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97.
Martin R. Gluck Matt M. Tanner
Dorothy F. Sullivan
Patricia A. Erickson 《Behaviour research and therapy》1964,2(2-4):131-134Parents coming to a child guidance clinic reported behaviour in their children which they (parents) viewed as problems or symptoms. The first 55 families coming to a new clinic were selected as part of a programme to evaluate the effects of the clinic's services on its total caseload. A follow-up inquiry was made about the presenting symptoms six months after the family ceased attending the Center. The parental reports of improvement in the child's symptoms appeared to be related to the extent to which both parents participated in coming to the clinic: the child's age also had some relationship to reported improvement. The kind of service provided, and the number of contacts with the Center appeared to be unrelated to reported improvement. 相似文献
98.
In two experiments, we examined the effect of timing conditions on the magnitude of gender differences in performance on the Mental Rotations Test (MRT). In Experiment 1, each of 196 females and 119 males was administered the MRT via a Microsoft PowerPoint presentation in one of five timing conditions (15, 20, 25, 30, and 40 sec). The participants were exposed to each MRT item for the period specified in the assigned timing condition. Experiment 2 was conducted to address flaws found in Experiment 1. Accordingly, each of 105 females and 105 males was individually administered the task in one of three timing conditions (15 sec, 25 sec, or unlimited duration). The results of both experiments showed that the magnitude of gender differences was similar across timing conditions when a conventional scoring method was used. An analysis of guessing behavior generally indicated that men tend to show little effect of timing conditions, whereas women's propensity to guess increases when they are given more time to respond. In general, the results supported an interpretation of gender differences on the MRT that relies on the joint operation of performance factors and level of spatial ability. 相似文献
99.
In this study, we interviewed 14 doctoral students from 10 COAMFTE-accredited doctoral programs to learn more about how they experienced their research training and what they might suggest to strengthen the research culture in their training programs. We solicited somewhat unconventional data--metaphors, poetry, free associations, critical experiences--to (a) tap into our participants' underlying thought processes, (b) capture the multifaceted nature of their doctoral research training, and (c) represent the richness of our participants' subjective experiences. The themes we identified reflect both positive and negative research training experiences and suggest several ways that family therapy program faculty might improve their programs' research training and culture. 相似文献
100.
Recent research points toward the viability of conceptualizing alcohol problems as arrayed along a continuum. Nevertheless, modern statistical techniques designed to scale multiple problems along a continuum (latent trait modeling; LTM) have rarely been applied to alcohol problems. This study applies LTM methods to data on 110 problems reported during in-person interviews of 1,348 middle-aged men (mean age=43) from the general population. The results revealed a continuum of severity linking the 110 problems, ranging from heavy and abusive drinking, through tolerance and withdrawal, to serious complications of alcoholism. These results indicate that alcohol problems can be arrayed along a dimension of severity and emphasize the relevance of LTM to informing the conceptualization and assessment of alcohol problems. 相似文献