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A Three-factor Model of Social Media Addiction
Introduction. Social media addiction is one of the most widespread non-medical addictions. Its numerous negative consequences have created a psychological problem, which has made it essential to study factors of social media addiction.
Виктор П. Шейнов +1 more
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Cognitive Trait Model: Measurement Model for Mastery Level and Progression of Learning
This paper seeks to establish a framework which operationalizes cognitive traits as a portion of the predefined mastery level, the highest level expected to successfully perform all of the relevant tasks of the target trait. This perspective allows us to
Jaehwa Choi
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This article tries to estimate the operating efficiency among 30 years (1989–2018) in the information technology (IT) industry, where technologies are everchanging. The balanced panel data model of Kneip et al.
Qiao Guangshun
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De-Biased Graphical Lasso for High-Frequency Data
This paper develops a new statistical inference theory for the precision matrix of high-frequency data in a high-dimensional setting. The focus is not only on point estimation but also on interval estimation and hypothesis testing for entries of the ...
Yuta Koike
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Federal Budget and State Fiscal Policy: Macroeconomic Adaptation until 2025 [PDF]
The article examines the modern concept of the state fiscal policy in Russia and the possibilities of its implementation through the federal budget in the face of new global challenges.
Mikhail E. Kosov +3 more
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Sklar’s theorem, copula products, and ordering results in factor models
We consider a completely specified factor model for a risk vector X = (X1, . . ., Xd), where the joint distributions of the components of X with a risk factor Z and the conditional distributions of X given Z are specified.
Ansari Jonathan, Rüschendorf Ludger
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The Casual Factor Models of Mathematics Learning Achievement [PDF]
The objectives of the study were. 1) to find the correlation among achievement motivation, attitudes towards mathematics, educational support from parents, teacher’s teaching quality and classroom atmosphere with mathematics learning achievement.
Phubet Srimahaprom +2 more
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A comparison of the VAR model and the PC factor model in forecasting inflation in Montenegro [PDF]
Montenegro started using the euro in 2002 and regained independence in 2006. Its main economic partners are European countries, yet inflation movements in Montenegro do not coincide with consumer price fluctuations in the eurozone.
Lipovina-Božović Milena
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Hierarchically nested factor model from multivariate data [PDF]
We show how to achieve a statistical description of the hierarchical structure of a multivariate data set. Specifically we show that the similarity matrix resulting from a hierarchical clustering procedure is the correlation matrix of a factor model, the
Anderberg M. R. +9 more
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Quantitative research into the nature of academic emotions has thus far been dominated by factor analyses of questionnaire data. Recently, psychometric network analysis has arisen as an alternative method of conceptualizing the composition of ...
Markus Mattsson +2 more
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