the purpose of this research was analyzing attitude of rural cooperatives managers in khouzestan province toward electronic commerce, iran. the research method was correlative descriptive. the population of this study included rural cooperatives managers in khuzestan province. the total number of members was 101 people. due to the limited population, census method was used. questionnaire reliab...

Materials and methods Participants attending voluntary counseling during a screening campaign were recruited for a cross-sectional study after informed consent. Interview-administered questionnaires were used for data collection. HIV serostatus was assessed following the national algorithm and by oral fluid rapid test. Analyses of data were carried out using Microsoft Excel 2010 and the statist...

In this manuscript we present various robust statistical methods popular in the social sciences, and show how to apply them in R using the WRS2 package available on CRAN. We elaborate on robust location measures, and present robust t-test and ANOVA versions for independent and dependent samples, including quantile ANOVA. Furthermore, we present on running interval smoothers as used in robust AN...

Ordered discrete dependent variable models such as ordered probit and ordered logit are frequently used across the social sciences to study outcomes including health status, happiness, wealth and educational attainment. Unlike in the case of OLS, unaccounted for heteroskedasticity in these models can lead to biased parameter estimates. This paper introduces the oglmx package for the R statistic...

the purpose of this research was to analyzing the perception and technical knowledge of wheat farmers in shoushtar township, khouzestan province, iran regarding organic farming products. the research method employed was correlative-descriptive. the population consisted of wheat farmers in shoushtar township khuzestan province of iran. a random sample of wheat farmers (n = 163) was selected. the...

In this paper, we measured the levels of metals including Pb, Cr, Cd, Ni, Hg, Fe, and Cu in the inlet and outlet wastewater of hospitals. The samples were taken from wastewater in Bushehr׳s province hospitals, Iran. After the collection of samples, the concentration levels of metals were determined by using graphite furnace absorption spectrometer (AAS) method (Varian, SpectrAA 240, Australia)....

To investigate deterrents to family planning practices among Swazi women, 205 structured interviews were conducted with conveniently selected women in the four geographical regions of Swaziland. The Statistical Package for Social Sciences (SPSS) was used to analyse data. These results revealed that cultural practices, religious beliefs, gender issues and health care practices were the main barr...

The behavioral, educational, and social sciences are undergoing a paradigmatic shift in methodology, from disciplines that focus on the dichotomous outcome of null hypothesis significance tests to disciplines that report and interpret effect sizes and their corresponding confidence intervals. Due to the arbitrariness of many measurement instruments used in the behavioral, educational, and socia...

purpose: to determine the musculoskeletal complaints associated with using computer and its   ergonomic risks for office workers of a medical sciences university in tehran.   materials and methods: in this cross-sectional study, a background questionnaire was used   to determine individuals and computer use habits’ characteristics. a total number of 164 office   workers of aja university of med...