multi-echelon inventory systems are one of the most important and attractive areas in modelling supply chain management so that several researches and studies have been done about. in this paper, the total cost function of a two-echelon inventory system with central warehouse and many identical retailers controlled by continuous review inventory policy is estimated. we have assumed the demand i...

Emotion regulation strategies are considered as determinant variables on both normal and psychopathological processes. The aim of the present study was to investigate the mediating role of emotion regulation difficulties on the relationship between social anxiety symptoms and anger. A total of 171 participants (71 men, 100 women) from the city of Tehran participated in this study as volunteers....

BACKGROUND The aim of this study was to develop and validate a symptom inventory for patients with head and neck cancer and to assess the occurrence and severity of symptoms, the overall symptom burden, and the interference the symptoms cause in daily life. METHODS Items were generated from a comprehensive literature review, our prior work, and focus groups with head and neck cancer patients,...

Objective. Little research has been done regarding the role of psychotherapy in the treatment of Premenstrual Syndrome (PMS). The aim of this study was to examine the effect of mindfulness-based cognitive therapy (MBCT) on the PMS symptoms and depression and anxiety symptoms in women with PMS. Design. In a randomized controlled trial, a total of 60 students at Mazandaran University with mild to...

The prevalence of depression and anxiety in the Chinese male population with infertility is still uncertain. The prevalence of depression, anxiety, and a combination of both psychological symptoms was 20.8%, 7.8%, and 15.4%, respectively in 771 infertile Chinese men in the current study by the Mental Health Inventory-5 and the State-Trait Anxiety Inventory-Short Form questionnaires. Differences...

OBJECTIVE To examine the association of critical parenting behaviors with preadolescent reported depressive symptoms, self-efficacy, and self-care behaviors in youth with type 1 diabetes (T1D). METHOD A total of 84 youth with T1D, ages 9-11 years, completed the Diabetes Family Behavior Checklist, Child Depression Inventory, Self-Efficacy for Diabetes scale, and Self-Care Inventory during a ba...

BACKGROUND Infertility is often associated with a chronic state of stress which may manifest itself in anxiety-related and depressive symptoms. The aim of our study is to assess the psychological state of women with and without fertility problems, and to investigate the background factors of anxiety-related and depressive symptoms in women struggling with infertility. METHODS Our study was co...