Path analysis reveals cross-country differences between Czech and Chinese university students in effect of internet and smartphone addiction, mental health, and personality traits on academic achievement in the post-pandemic era.

Despite extensive evidence on the impact of various mental health issues including smartphone/internet addiction, and personality traits on academic achievement, little is known about the complex interactions between multiple of these factors simultaneously, as well as cross-country differences in these nuanced relationships. In particular, understanding the role of the mentioned addictions has become increasingly important in recent years in the context of the COVID-19 pandemic. The aim of this cross-country study was to investigate, using path analysis, the complex relationships between mental health determinants (depression, anxiety, stress, resilience, and smartphone/internet addiction) and academic achievement in 1785 Czech and Chinese university students using an online battery of psychological tests.

Reactive oxygen species and their role in the andrological factor of couple fertility.

Reactive oxygen species play a significant role in male fertility and infertility. They are essential for physiological processes, but when their concentration becomes excessive, they can be a cause of various sperm pathologies. Seminal leukocytes and pathologically abnormal sperm are the primary sources of oxygen radicals in ejaculate.

Preschoolers' Attitudes, School Motivation, and Executive Functions in the Context of Various Types of Kindergarten.

European policy has seen a number of changes and innovations in the field of early childhood preschool education over the last decade, which have been reflected in various forms in the policies of individual EU countries. Within the Czech preschool policy, certain innovations and approaches have been implemented in the field of early children education, such as the introduction of compulsory preschool education before entering primary school from 2017, emphasis on inclusive education, equal conditions in education and enabling state-supported diversity in the education concepts of kindergartens. The aim of our study was to assess the influence of various preschool education systems in the Czech Republic in the context of psychological variables reflecting selected children's outcomes which may contribute to future school achievement.

Two Waves of COVID-19 in University Setting: Mental Health and Underlying Risk Factors.

The aim of the paper was to assess the differences in the mental distress of university students in the first and second waves of COVID-19, to compare these levels with that of the general population as well as to identify the risk factors associated with the changes in mental health. A total of 2,025 university students in core psychology courses in all years of study at the Faculty of Education at Palacký University Olomouc were approached e-mail. Of this number of students, 800 students took part in the study, divided into two groups from the spring ( = 438) and autumn ( = 362) pandemic waves.

Desire for Parenthood and Associated Trends in Czech Lesbian Women.

Introduction: Worldwide, there are more lesbians who chose to have children in the context of a same-sex relationship than ever before. The Czech studies focusing on this issue, including the analysis of methods of conception, are limited.

Aim: We aimed to examine the changes over time in the desire of Czech lesbian women for children and to analyze their chosen methods of conception.