Factor analysis is widely utilized to identify latent factors underlying the observed variables. This paper presents a comprehensive comparative study of two widely used methods for determining the optimal number of factors in factor analysis, the K1 rule, and parallel analysis, along with a more recently developed method, the bass-ackward method.…

Processes that unfold over individuals' life courses are often associated with inequalities later in life. The literature lacks methodological approaches to analyze inequalities in outcomes between groups, for example, between women and men, in a life-course-sensitive manner. We propose a combination of methods--of sequence analysis, which enables…

This guide offers a comprehensive handbook to scientific research methodology and experimental design, specifically for novice MA and PhD researchers in Education and Language Learning (TESOL/TEFL). It establishes scientific research as a systematic, objective inquiry focused on identifying cause-and-effect relationships through empirical data.…

Purpose: This scoping review aims to investigate the current utilization of a QuantCrit approach within educational research. Design/methodology/approach: The research follows the methodological framework proposed by Arksey and O'Malley (2005), employing comprehensive search criteria across various databases to select 24 relevant studies for…

Introduction: The replication crisis in the behavioral and social sciences spawned a credibility revolution, calling for new open science research practices that ensure greater transparency, including preregistrations, open data and code, and open access. Statement of the Problem: Replications of published research are an important element in this…

Introduction: The current economic, social and environmental problems faced by society are some of the most emerging concerns of the main governmental institutions. In this sense, Education for Sustainable Development and integration of the Sustainable Development Goals (SDGs) into the education system seems to be a key link for its mitigation.…