Attentional bias for words and faces in social anxiety

Conflicting findings concerning the nature and presence of attentional bias in social anxiety and social phobia have been reported in the literature. This paper reports the findings of two studies comparing people with high and low social anxiety on dot probe tasks using words, faces photographed in front view, and faces photographed in profile as stimuli. In Study 1 those with high social anxiety displayed an attentional bias towards negative faces. The low social anxiety group showed an attentional bias towards positive faces. No significant effects were observed on the dot probe using words as stimuli. Study 2 used pairs of faces presented in profile as though looking at each other. One of the faces displayed either a positive, negative or neutral expression. The second face always had a neutral expression, and in half of the trials it was the subject's own face. The findings of this more ecologically valid procedure replicated those of Study 1. Facilitated attention to dots following emotional faces was specific to threatening facial stimuli. From these studies it appears that the facial dot probe task is a more sensitive index of attentional bias than the word task in a non-clinical sample with social anxiety.     

Atlantis: a time‐value model in e‐commerce

This paper presents a model for resolving two main issues of time in e‐commerce. The first issue is the time value of e‐commerce that represents the value of each moment of the commerce time from the perspective of buyers and sellers. Buyers and sellers can use this model to calculate the time value at each moment of time and accordingly decide whether it is profitable to buy or sell at that moment. The second issue is to allow buyers or sellers to increase their savings or decrease their costs by changing each of the factors governing the time value model of the concerned e‐commerce. We present relevant model specifically for Amazon e‐commerce to present a proof of concept of our proposed models.     

Physical Activity in Overweight and Obese Women: Association with Body Mass Index and Demographic Characteristics

The aim of present study was determination of the level of physical activity in overweight and obese women and its association with body mass index and various socio-demographic characteristics. In the present cross-sectional survey, the translated and validated form of International physical activity questionnaire was completed by 300 overweight and obese women from Iran-Tabriz. For each activity level, the MET-time value was calculated. The weight and height of subjects were measured and the BMI was calculated. In addition, subjects were asked to indicate their age, marital and socioeconomic status (including employment, educational status, salaries and material endowments) using a general information questionnaire. The One-way ANOVA, Independent t-test, multiple linear regression analysis were used for statistical analysis. Approximately, 45 % of women were physically inactive. Overweight women were more likely to be physically active as compared to obese, while the lowest physical activity rates were observed in older participants. With increasing age, the time spent in vigorous physical activity declined significantly (p-value?=?0.004). Physically active women had higher Socio-economic status. The average time spent on vigorous physical activities were significantly more in single than married women (p-value?相似文献   

Short-term and Mid-term Effects of Fasting and Downset Meal Pattern on Lipid Profile in Iranian Fasted Women

It is not clear that whether the effects of fasting and downset meal pattern on lipid profile are limited only to Ramadan or do they remain after that month. The cohort study was conducted on 49 women aged 20–45 who worked at Shahid Motahari hospital in Isfahan. They put on groups of 23 consuming downset meal and 26 non-consuming downset meal persons. Serum triglyceride, cholesterol, LDL, and HDL were measured on the 3 days before the beginning, 3 and 30 days after the end of Ramadan. Repeated measure test was used to determine the changes during times and the interaction effects between times and nocturnal eating pattern. This study showed that fasting causes some short-term and mid-term changes in triglyceride and HDL that is mostly attributable to changes in dietary habits during Ramadan, rather than downset meal pattern.     

Comparison Study of the Effects of Resistance and Endurance Exercise Interventions for the Treatment of Depression: A Meta-Analytical Review

Journal of Contemporary Psychotherapy - With an increase in depression rates and medication and psychotherapy being the primary treatment interventions for decreasing depressive symptoms, exercise...     

Proposing a Measurement Model of REBT and Applying It to the Assessment of Well-Being and Happiness in Patients with Tension-Type Headaches

Journal of Rational-Emotive & Cognitive-Behavior Therapy - Depression, anxiety, stress (DAS) are triggers of tension-type headaches. The current research investigates how irrational cognitions,...     

Visual-Syntactic Text Formatting: Developing EFL Learners’ Reading Fluency Components

Journal of Psycholinguistic Research - Developing English reading fluency (ERF) is challenging due to cross-linguistic differences between L1 and L2. This study replicated, with modifications,...     

Developing an Output‐Oriented Super Slacks‐Based Measure Model with an Application to Third‐Party Reverse Logistics Providers

Outsourcing is an increasingly significant topic pursued via corporations seeking enhanced efficiency. Third‐party reverse logistics involves the employ of external firms to carry out some or all of the firm's logistics activities. Output‐oriented super slacks‐based measure (SBM) model is one of the models in data envelopment analysis (DEA). In many real‐world applications, data are often stochastic. A successful approach to address uncertainty in data is to replace deterministic data via random variables, leading to chance‐constrained DEA. In this paper, a chance‐constrained output‐oriented super SBM model is developed and also its deterministic equivalent, which is a nonlinear program, is derived. Furthermore, it is shown that the deterministic equivalent of the stochastic output‐oriented super SBM model can be converted into a quadratic program. In addition, sensitivity analysis of the stochastic output‐oriented super SBM model is discussed with respect to changes on parameters. Finally, a numerical example demonstrates the application of the proposed model. Copyright © 2011 John Wiley & Sons, Ltd.