Purpose: The aim of the present study was to evaluate association between perceived stress, mindfulness and coping strategies undergraduate dental students during COVID-19.
 Methods: A cross‐sectional conducted among 128 in 3rd, 4th 5th grade. Students completed surveys including Perceived Stress Scale (PSS), Mindful Attention Awareness (MAAS) Coping Orientation Problems Experienced invent...

Introduction: Appropriate information about the ability of patients with Parkinson disease (PD) to perform cognitive instrumental activities of daily living (IADL) is necessary. The present study aimed to assess the psychometric properties of the Persian version of the Penn Parkinson daily activities questionnaire-15 (PDAQ-15). Methods: A total of 165 knowledgeable informants of PD patients co...

Reference 1. Dreher CE, Cummings ME, Pröhl H (2015) An Analysis of Predator Selection to Affect Aposematic Coloration in a Poison Frog Species. PLoS ONE 10(6): e0130571. doi: 10.1371/journal.pone.0130571 PMID: 26110826 Fig 4. Correlation between dorsal overall conspicuousness of local frogs for avian eyes and avian predation on clay frogs across frog populations. The correlation is highly signi...

STUDY DESIGN Psychometric assessment. OBJECTIVES To determine test-retest reliability and concurrent validity of the International Physical Activity Questionnaire (IPAQ) in patients after total hip arthroplasty or total knee arthroplasty. BACKGROUND Despite recognized benefits of regular physical activity, little is known about the physical activity level of patients after total hip arthrop...

An open problem for Distributed Information Retrieval is how to represent large document repositories (known as resources) efficiently. To facilitate resource selection, estimated descriptions of each resource are required, especially when faced with non-cooperative distributed environments[1]. Accurate and efficient Resource description estimation is required as this can have an affect on reso...

the aim of this study was to investigate the relationship between leadership style and power source of coaches in iranian super league volleyball teams from players’ point of view as well as to prioritize leadership styles and power sources in coaches of all teams. for this purpose, all iranian super league volleyball team players in season 2008-2009 completed the leadership scale for sport (ch...

PURPOSE To validate the Quality of Erection Questionnaire (QEQ) considering Brazilian social-cultural aspects. MATERIALS AND METHODS To determine equivalence between the Portuguese and the English QEQ versions, the Portuguese version was back-translated by two professors who are native English speakers. After language equivalence had been determined, urologists considered the QEQ Portuguese v...

Spearman’s rank correlation coefficient is a nonparametric (distribution-free) rank statistic proposed by Charles Spearman as a measure of the strength of an association between two variables. It is a measure of a monotone association that is used when the distribution of data makes Pearson’s correlation coefficient undesirable or misleading. Spearman’s coefficient is not a measure of the linea...

The purpose of this research was to study the role of non-governmental organization inpreserving of urban green areas in the city of Tehran. This is a descriptive-correlationresearch method. Population of this study was 120 active members of two non-governmentalorganizations in Tehran. After distributing the questionnaires, 62 questionnaires werereturned. Content and face validity of the instru...