Search results for "Data Collection"
showing 10 items of 495 documents
Working Environment in the New EU Member State of Lithuania: Examining a ‘Worst Case’ Example
2008
Using recent survey data from Lithuania, it is suggested that post-communist countries such as Lithuania, admittedly a 'worst case' example, have specific legacies of serious health and safety problems. On a range of general health and occupational safety and health indicators, some three years after joining the European Union, Lithuania is currently a poor performer, and on key indicators the poorest in the European Union. Yet, formally, Lithuania has comprehensive health and safety legislation in line with EU requirements. Survey data suggest, however, a work regime of intensification and an absence of a participative working environment in which employees have a 'voice' in the safety man…
Using Problem-focused Approach to Nurture Creativity and Entrepreneurship among Students
2015
Abstract This paper discusses the use of a problem-focused approach to nurture creativity and entrepreneurship among students in a school setting. The study sample consisted of three groups of students (age 16 years old) from three secondary schools in Malaysia. The participants consist of 25–35 students from each school (n=95). The data collection took place during three workshops, which were conducted using a problem-focused approach, with participants from each school. At the end of each workshop, participants were asked to fill in an electronic diary about their experience. The participants’ reflections after the first workshop were analysed to identify the use of a problem-focused appr…
Innovativeness and Family-Firm Performance: The Moderating Effect of Family Commitment
2016
The positive relationship between innovativeness and firm performance is well established and applies equally to all businesses, including family firms. However, little is yet known about how the unique characteristics of family firms influence this relationship. Drawing upon the resource-based view (RBV) of the firm, this study explains how the interplay between innovativeness as a firm-specific resource and family commitment as a family-specific resource affects performance. The analysis of longitudinal survey data collected from Finnish family firms demonstrates a curvilinear (U-shaped) moderating effect of the owner family’s commitment to the firm, in that the impact of innovativeness o…
Identifiability analysis for receiving water body quality modelling
2009
In urban drainage, new computational possibilities have supported the development of new integrated approaches aimed at joint water quantity and quality analysis of the whole urban drainage system. Although the benefit of an integrated approach has been widely demonstrated, to date, several aspects prevent its applicability such as scarce availability of field data if compared with model complexity. These aspects sometimes prevent the correct estimation of parameters thus leading to large uncertainty in modelling response. This is a typical parameter identifiability problem that is discussed in the present paper evaluating the effect of identifiability procedures in increasing operator conf…
The influence of rainfall time resolution for urban water quality modelling
2010
The objective of this paper is the definition of a methodology to evaluate the impact of the temporal resolution of rainfall measurements in urban drainage modelling applications. More specifically the effect of the temporal resolution on urban water quality modelling is detected analysing the uncertainty of the response of rainfall–runoff modelling. Analyses have been carried out using historical rainfall–discharge data collected for the Fossolo catchment (Bologna, Italy). According to the methodology, the historical rainfall data are taken as a reference, and resampled data have been obtained through a rescaling procedure with variable temporal windows. The shape comparison between ‘true’…
Uncertainty in urban flood damage assessment due to urban drainage modelling and depth-damage curve estimation
2010
Due to the increased occurrence of flooding events in urban areas, many procedures for flood damage quantification have been defined in recent decades. The lack of large databases in most cases is overcome by combining the output of urban drainage models and damage curves linking flooding to expected damage. The application of advanced hydraulic models as diagnostic, design and decision-making support tools has become a standard practice in hydraulic research and application. Flooding damage functions are usually evaluated by a priori estimation of potential damage (based on the value of exposed goods) or by interpolating real damage data (recorded during historical flooding events). Hydrau…
Parent-Child Similarity in Environmental Attitudes: A Pairwise Comparison
2012
Are adolescents’ environmental attitudes similar to their parents’ attitudes? The main objective of this study is to examine what quantitative associations, if any, exist in parent-child environmental attitudes within the family. The survey data was collected assessing attitudes toward the environment and nature from 15-year-old students (n = 237) and their parents (n = 212) in Finland. A significant positive correlation emerged in environmental attitudes between mothers and fathers. Interestingly, the results revealed some indicative evidence that girls’ environmental attitudes could relate more to their father's than mother's attitudes. Girls were as positive in their environmental attitu…
Two Half-Truths Make a Whole? On Bias in Self-Reports and Tracking Data
2019
The pervasive use of mobile information technologies brings new patterns of media usage, but also challenges to the measurement of media exposure. Researchers wishing to, for example, understand the nature of selective exposure on algorithmically driven platforms need to precisely attribute individuals’ exposure to specific content. Prior research has used tracking data to show that survey-based self-reports of media exposure are critically unreliable. So far, however, little effort has been invested into assessing the specific biases of tracking methods themselves. Using data from a multimethod study, we show that tracking data from mobile devices is linked to systematic distortions in sel…
Selection correction in panel data models: An application to the estimation of females' wage equations
2007
In recent years a number of panel estimators have been suggested for sample selection models, where both the selection equation and the equation of interest contain individual effects which are correlated with the explanatory variables. Not many studies exist that use these methods in practise. We present and compare alternative estimators, and apply them to a typical problem in applied econometrics: the estimation of the wage returns to experience for females. We discuss the assumptions each estimator imposes on the data, and the problems that occur in our applications. This should be particularly useful to practitioners who consider using such estimators in their own application. All esti…
B-Spline Estimation in a Survey Sampling Framework
2021
Nonparametric regression models have been used more and more over the last years to model survey data and incorporate efficiently auxiliary information in order to improve the estimation of totals, means or other study parameters such as Gini index or poverty rate. B-spline nonparametric regression has the benefit of being very flexible in modeling nonlinear survey data while keeping many similarities and properties of the classical linear regression. This method proved to be efficient for deriving a unique system of weights which allowed to estimate in an efficient way and simultaneously many study parameters. Applications on real and simulated survey data showed its high efficiency. This …