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Apr 12, 2019Open AccessArticle
The aim of this study is to evaluate factory workers’ job satisfaction in a man-ufacturing plant in Sri Lanka. A sample of 180 employees from a study population of 846 was taken. Stratified Random Sampling method was used as the sampling technique. The tool used for the data collection is a questionnaire which was designed covering all the aspects related to the job satisfaction of the factory workers in the manufacturing plant. T ...
Feb 28, 2019Open AccessArticle
We put forward a model based on item response theory that highlights the role of latent features called “proficiency” and “propensity”. The model is adjusted to data from the decisions made in a high-stakes exam taken by 10,822 Brazilian high school students. Our model aims to recover infor-mation regarding the role the latent features (proficiency and propensity) play in a decision. We find that the decision of responding or not ...
Oct 23, 2018Open AccessArticle
Excess number of zeros (zero inflation, ZI) in count data is a common phenomenon which must be addressed in any analysis. The extra zeros may be a result of over-dispersion in the data. Ignoring zero-inflation can result in biased parameter estimates and standard errors. Over-dispersion is also associated with a zero-inflated data. Depending on the selected model, different results and conclusions may be reached. In this paper ...
Apr 28, 2018Open AccessArticle
As China’s population
aging advancement becomes more and more obvious, the social security system is
insufficient to support the rapid huge aging society. The conditions of
family-provide for the aged are weakened gradually while social pensions draw
more and more attention. As a potential social capital, non-profit organization
is an important force for assisting the work of care for the aged. This
research focuses on t ...
Oct 25, 2017Open AccessArticle
The h-index is the largest number h such that h publications have at
least h citations. The index reflects
both the number of publications and the number ...
Oct 19, 2017Open AccessArticle
A Visual Basic for Applications (VBA) Excel macro
was created for doing a pairwise, two-sample Z-test of within-column proportions fork data rows in an Excel spreadsheet. By program iteration, the Z-score for ...
Jul 20, 2017Open AccessArticle
Within the
scientific community, information essentially passes through scientific
publications. These publications now occupy a prominent place in the search.
They constitute the very purpose of scientific research as a researcher is
usually assessed by its publications. The quality of scientific research
combines punctuality and continuity over time. This reflection analyzes this
question through the annals of the Higher In ...
Jul 13, 2017Open AccessArticle
The experiment was
conducted to demonstrate the behavior of fire propagation in wildlands using a
matchsticks forest model. A model forest was designed on a flame resistant
clay, on top of which matchsticks were inserted and kept vertical to the ground
by keeping space between them constant with the help of aluminum grid. The data
for distance travelled by fire with time were taken at wide ran ...
Dec 28, 2016Open AccessArticle
Data on self-reported frequency of exercising or
playing sport of adults aged 15 and above in 27 EU countries were collected, from the European Commission’s Special Eurobarometer. A
graphical output was obtained using classical a statistical methodology known as
metric Multidimensional Scaling method to better define the interrelationships between a large set of variables for
the data from the 27 European countries and “average” c ...
Sep 28, 2016Open AccessArticle
Computer intensive methods have recently been
intensively studied in the field of mathematics, statistics, physics,
engineering, behavioral and life sciences. Bootstrap is a computer intensive
method that can be used to estimate variability of estimators, estimate
probabilities and quantile related to test statistics or to construct
confidence intervals, explore the shape of distribution of estimators or test
statistics and to con ...
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