background: noise is defined as unwanted or meaningless sound that apart from auditory adverse health effects may distract attention from cues that are important for task performance. human performance is influenced by many job-related factors and workplace conditions including noise level. objective: to study the effect of noise on human performance. methods: the participants included 40 healt...

background this article looks at the long-term, structural determinants of environmental and public health performance in the world system.   methods in multiple standard ordinary least squares (ols) regression models, we tested the effects of 26 standard predictor variables, including the ‘four freedoms’ of goods, capital, labour and services, on the following indicators of sustainable develop...

Different sustainability indicators tend to reflect different or even converse outcomes in terms of countries. A careful comparative study is needed to clarify whether these indicators are actually coherent with each other. We analyze and compare five sustainable development indicators. Pearson correlation was used to make a comparative study among them. Within the two groups, the indicators ar...

A method for environmental performance assessment is presented in this paper. The proposed method considers the procedure for environmental performance comparison of design alternatives as a multi-criteria decision-making (MCDM) problem. Integrated assessment model based on analytic hierarchy process (AHP) is presented for solving MCDM problem. An integrated environmental index (IEI) for chemic...

the main purpose of this paper is to study urban management performance in public green spaces (parks) based on economical indexes, social indexes and environmental indexes. for this purposes, we use topsis method that is one of the methods of multiple criteria decision making. the data was obtained through interview and also a questionnaire which was distributed among about 1000 families of ma...

one of the main problems in the efficiency and efficacy of an organization is its structural issue. organizational culture is also considered as an effective factor in the performance of many organizations. the main goal of the present study was to determine the relationship of centralization and organizational culture and performance indexes in teaching hospitals affiliated to tehran universit...

background hospitals are the most costly operational and really important units of health system because they consume about 50%-89% of total health resources. therefore efficient use of resources could help in saving and reallocating the financial and physical resources. objectives the aim of this study was to obtain an overview of hospitals' performance status by applying different techniques,...