Growth mixture models (GMMs) are applied to intervention studies with repeated measures to explore heterogeneity in the intervention effect. However, traditional GMMs are known to be difficult to estimate, especially at sample sizes common in single-center interventions. Common strategies to coerce GMMs to converge involve post-hoc adjustments to…

This present volume is the third in a series of education sector analysis (ESA) guidelines following two volumes published in 2014. The series provides methodologies and applied examples for diagnosing education systems and informing national education policies and plans. This volume proposes guidelines to strengthen national capacities in…

This research methods case study focuses on indigeneity in research methods through talking circles, sacred practices, oral tradition, and prayer. This paper is based on the original research of, "Oneida College Lacrosse Players' Perspectives of the Sacred Game of Lacrosse." This document will address what went into creating and carrying…

There is no consensus among researchers on charter school effectiveness in the USA, in part because of discrepancies in the research methods employed across various studies. Causal impact estimates from experimental studies demonstrate large positive impacts, but concerns about the generalizability of these results have prompted the development of…

Q methodology (Q) offers an empirical method for studying subjectivity and revealing multiple divergent viewpoints. Q's technique is the sorting of statements related to the topic and its method is the factor analyzing of those sorts to group people with similar viewpoints. Mixed information exists about Q methodologists' practice at the…

Biochemistry is a study which consists of many difficult concepts. Research that examines biochemistry learning needs to be continuously carried out so that the quality of learning can be evaluated and improved. Hence, this content analysis addressed to analyze the research methodologies of the articles published in various Indonesian biology…

The aim of this study was to develop an understanding of the research scholarship focused on doctoral-level counselor education. Using the 2016 Council for Accreditation of Counseling and Related Educational Programs (CACREP) doctoral standards as a frame to understand coverage of the research, we employed a scoping review methodology across four…

A Citizen Science approach to building the evidence base is well established in many science disciplines, but is far from main stream in the social sciences. Prompted from the inquiry by the Australian Government's Productivity Commission into the National Education Evidence Base and taking Early Childhood Education (ECE) as an example, this paper…

This article reports on an interdisciplinary project that conducted a series of systematic reviews of academic research about the use of pornography and sexual health. Academics from a variety of disciplines were involved; half of the team had a background in humanities and the other half a background in psychology. While working closely together,…

Although peer-led focus groups are widely used in research with children and young people, surprisingly little has been written that evaluates their methodological appropriateness. Drawing on data from 10 peer-led focus group sessions across 5 international schools, this article demonstrates how focus group discussions around moral and social…

The purpose of this research is a comprehensive review of studies towards educational data mining (EDM) in Turkey. For the purpose of this study, graduate theses and articles conducted in Turkey were examined in detail. As a result of the literature review, 48 studies were analyzed in the context of the data mining purpose, the technique used in…

Background/Context: Photos are a powerful tool for eliciting stories that may otherwise go untold in traditional interview formats. Photo-elicitation type methods vary widely in their ontological, epistemological, and teleological orientations, providing different tools for understanding participants' experiences and interpretations of those…

This article details the approach taken to a recent study in an environmental education context, with a focus on the writing and analysis of ethnographic fieldnotes. This approach drew upon aspects of new materialist theory and multi-species ethnography for the writing of fieldnotes, and Situational Analysis for their analysis. These approaches…

Physics education research (PER) has long used concept inventories to investigate student learning over time and to compare performance across various student subpopulations. PER has traditionally used normalized gain to explore these questions but has begun to use established methods from other fields, including Cohen's "d," multiple…

The aim of the study is to examine the doctoral theses in STEM education in Turkey in a comprehensive manner. Thematic content analysis method was used in the study. The data were obtained from the doctoral theses published until 2020 by examining CoHE National Thesis Center. As a result of the screenings, 30 doctoral theses were reached in the…