This review summarizes the current state of the art of statistical and (survey) methodological
research on measurement (non) invariance, which is considered a core challenge for the …

The advent of large language models (LLMs) has revolutionized natural language
processing, enabling the generation of coherent and contextually relevant human-like text …

Abstract The Need for Cognition Scale (NCS) is a self-report scale measuring individual
differences in the tendency to engage in and enjoy thinking. The shortened version with 18 …

Alexithymia is defined as the inability of persons to describe their emotional states, to identify
the feelings of others, and a utilitarian type of thinking. The most popular instrument to …

In this study, we developed an age-invariant 18-item short form of the HEXACO Personality
Inventory for use in developmental personality research. We combined the item selection …

Many papers in this special issue of course also highlight and tackle problematic issues or
limitations of behavioural sensing, big data, and algorithm‐based approaches, but their …

Previous research has shown that there are distinct types of children's shyness within
eastern and western cultures, with different origins, developmental courses, and outcomes …

Italy and Spain are two representative examples on strict lockdown last March 2020, also
suffering a high rate of mortality in Europe. The aim of this study is to examine their attitudes …

Cross-cultural comparisons often focus on differences in broad personality traits across
countries. However, many cross-cultural studies report differential item functioning which …

Metaheuristics are optimization algorithms that efficiently solve a variety of complex
combinatorial problems. In psychological research, metaheuristics have been applied in …