The main objective of the study was to explore the main predictors that influence academic stress among fourth-grade elementary school students using data from the Panel Study on Korean Children via a least absolute shrinkage and selection operator (LASSO) regularized penalty regression model. The study examined 280 explanatory variables using the…

This study analyzed factors affecting the acquisition and retention of employment among individuals with intellectual disabilities (ID). These factors were verified according to job type and were classified into general characteristics, family-related factors, psychological factors, and abilities. Data from 398 individuals with ID were analyzed…

Using Korean Longitudinal Study of Aging data, we examined the influence of older adults' individual characteristics (i.e. marital status, health and economic status) on life satisfaction, with the mediating effect of older adults' active participation in lifelong learning. As a result, some individual characteristics appeared to significantly…

With one treated and one untreated periods, difference in differences (DD) requires the untreated response changes to be the same across the treatment and control groups, if the treatment were withheld contrary to the fact. A natural way to check the condition is to backtrack one period and examine the response changes in two pretreatment periods.…

Background: Hand washing is an effective way to prevent transmission of infectious diseases. Education and promotional materials about hand washing may change individuals' awareness toward hand washing. Infectious disease outbreak may also affect individuals' awareness. Aims: Our study aimed to examine associations between hand-washing education…