Showing 1 - 10 of 488
contagion from purely observational data. It is especially helpful as a corrective to some of the more extreme statements of …
Persistent link: https://www.econbiz.de/10014621097
Purpose – The purpose of this paper is to explore how social need, social influence and convenience affect dependence … and convenience significantly affect students’ dependence on their smartphones. A significant relationship also existed … between students’ dependence on smartphones and their purchasing behavior. Originality/value – The availability of 3G/4G …
Persistent link: https://www.econbiz.de/10015005850
Purpose – This paper aims to investigate any cultural impacts on end‐users' web page design in weblogs. Design/methodology/approach – The design preferences of 201 weblogs in Malaysia have been collected using content analysis method and the existence of Malaysian cultural traits on the...
Persistent link: https://www.econbiz.de/10014859837
Purpose – The purpose of this paper is to propose an approach to generate recommendations for groups on the basis of social factors extracted from a social network. Group recommendation techniques traditionally assumed users were independent individuals, ignoring the effects of social...
Persistent link: https://www.econbiz.de/10014966944
Abstract The paper considers the properties of and relations between confounding and effect modification from the … of confounding depends on how the exposure was assigned; the presence of effect modification does not. The possibility of … confounding without effect modification and vice versa is discussed both with respect to distribution and measure. Discussion is …
Persistent link: https://www.econbiz.de/10014590578
, different mechanistic forms of interaction, when interaction is robust to unmeasured confounding, interaction for continuous …
Persistent link: https://www.econbiz.de/10014590592
Abstract A common goal of epidemiologic research is to study the association between a certain exposure and a certain outcome, while controlling for important covariates. This is often done by fitting a restricted mean model for the outcome, as in generalized linear models (GLMs) and in...
Persistent link: https://www.econbiz.de/10014590607
Abstract This paper describes a targeted maximum likelihood estimator (TMLE) for the parameters of longitudinal static and dynamic marginal structural models. We consider a longitudinal data structure consisting of baseline covariates, time-dependent intervention nodes, intermediate...
Persistent link: https://www.econbiz.de/10014610797
Abstract The paper provides a simple test for deciding, from a given causal diagram, whether two sets of variables have the same bias-reducing potential under adjustment. The test requires that one of the following two conditions holds: either (1) both sets are admissible (i.e. satisfy the...
Persistent link: https://www.econbiz.de/10014610801
relatively small compared to confounding bias, suggesting that it is generally not a serious concern in many applied settings … -Structure tend to increase confounding bias more rapidly than M -Bias, suggesting that choosing to condition on any given …
Persistent link: https://www.econbiz.de/10014610802