Shyness and loneliness both are very common in human being. Loneliness is often associated with a variety of personality characteristics which interfere with the formation of interpersonal relationship. In many studies it is found that shyness and loneliness are interrelated with each other. The present study was conducted on college students. The sample size consists of 60 college students (30...

PracTools is an R package with functions that compute sample sizes for various types of finite population sampling designs when totals or means are estimated. One-, two-, and three-stage designs are covered as well as allocations for stratified sampling and probability proportional to size sampling. Sample allocations can be computed that minimize the variance of an estimator subject to a budge...

abstract purpose: this research aims at examining the university librarians’ viewpoints about digital reference services at state universities of isfahan based on ifla 2008 standards. methodology: the research method is descriptive survey study. the study population consists of university librarians of state universities in isfahan. after determining the variance, the sample was estimated 113 a...

background universities, like any other organization, are working in a variable and dynamic environment. in order to empower these organizations to deal with constant change, they should focus on organizational learning. objectives this research aimed to study the relationship between organizational learning and employees' empowerment among the headquarters staff of shiraz university of medical...

This study was conducted in order to investigate the problems and solutions to improve the employment situation in agriculture sector in Karaj Payam Noor university students. Statistical population are Included all of Karaj Payam Noor University Graduate Students (N=1320). Using Cochran formula, 120 students were selected as sample. For more credits of findings, 150 questionnaires were distribu...

This study was conducted in order to investigate the problems and solutions to improve the employment situation in agriculture sector in Karaj Payam Noor university students. Statistical population are Included all of Karaj Payam Noor University Graduate Students (N=1320). Using Cochran formula, 120 students were selected as sample. For more credits of findings, 150 questionnaires were distribu...

Estimates of erosion and sediment delivery have often relied on measurements from locations that were selected to be representative of particular terrain types. Such judgement samples are likely to overestimate or underestimate the mean of the quantity of interest. Probability sampling can eliminate the bias due to sample selection, and it permits the explicit expression of uncertainty with est...