This study examined the impact of two questionnaire characteristics, scale position and questionnaire length, on the prevalence of random responders in the TIMSS 2015 eighth-grade student questionnaire. While there was no support for an absolute effect of questionnaire length, we did find a positive effect for scale position, with an increase of…

The purpose of this study was to assess the validity of School-Level Environment Questionnaire (SLEQ) in the Vietnam context. The study tested the nomological validity of the main measurement model and a competing model. The participants included 29 interviewees and 408 Vietnamese high-school teachers in Ho Chi Minh City. Interview data were used…

The main aim of our study was to adapt the Questionnaire on Teacher Interaction (QTI) to an Estonian context. The QTI was translated and evaluated by three educational researchers and validated with a sample of 508 students from grades 6 and 9 in 13 middle schools. When statistical analyses were utilized to investigate reliability and validity of…

This study aims to determine the alternative conceptions that middle school students may have about the structure of celestial bodies, celestial events and the motions of celestial bodies. Since qualitative and quantitative methods were used in the study, the study method is mixed. Since quantitative data were collected first and qualitative data…

There is a need for valid and reliable instruments to assess learning outcomes in education for sustainable development (ESD). Measurement invariance (MI) needs to be established before results of these instruments can be validly compared between groups. Despite its importance, establishing MI is an often overlooked validation step. To provide an…

Personal (PSs) and professional (PRs) skills are necessary to any physical education (PE) teacher, potentially having an impact on the quality of teaching and students' engagement in PE. In recent years, the Teachers' Personal and Professional Skills Questionnaire (TPPS-Q), composed of two 5-item dimensions (PSs and PRs), has been developed and…

Although research highlights the importance of analyzing the geometric work of teachers, there are few validated instruments in this line. This study presents the processes of design and validation of a forced-choice questionnaire that allows the characterization, from a theoretical basis, of how geometry teachers organize their teaching practice.…

The Interpersonal Behaviors Questionnaire (IBQ) in Sport assesses athlete perceptions of coach interpersonal behaviors that support or thwart athletes' basic psychological needs. While different sources of validity evidence for responses to the IBQ have been provided for adults, only validity evidence for relations to other variables has been…

Teachers' Innovative Behavior (TIB) is increasingly important for today's education. However, available instruments do not meet the complexity of TIB as an individual, collective, planned and unplanned construct. The aim of the present study was to construct a new instrument that meets the requirements of this complexity. We started with a…

When conducting a postal survey, a traditional recommendation is to use paper postage stamps instead of an automated postage system, to make sure that invitations have a more personal and attractive appearance. In this research note, we investigate whether this traditional recommendation is still valid. In the autumn of 2020, a postal survey was…

Purpose: Drawing on current theoretical perspectives on teaching methods (i.e., constructivism, cognitivism, or behaviorism), the present research developed a scale to assess students' perceptions of teaching methods in physical education. Method: Four studies were conducted to design and analyze the psychometric properties of this scale: (a) to…

Adolescence is a developmental period characterized by profound social, emotional, and cognitive growth, in addition to self-discovery, particularly concerning sexuality. However, misinformation or inadequate education can lead to detrimental decision-making, impacting both physical and emotional well-being. Inadequate sexual education contributes…

The aim of this study is to develop a theoretically sound, valid, and reliable scale to examine seventh and eighth grade students' attitudes towards so-called skill-based mathematics questions (SBMQ). The sample of the study was 820 seventh and eighth grade students at three different middle schools in Etimesgut District of Ankara Province. A…

Strategies in reading are viewed as essential tools needed to increase comprehension and learning from text. Especially in large-scale assessments, reliable and economic measures of reading strategies are needed which are valid to assess the strategy-performance relation. Questionnaire-based self-report measures are very popular but often fail to…

Although cyber victimization has been suggested as a significant risk factor for the development of adolescents' depression, the underlying psychopathological process that mediates this relationship needs further exploration. Based on the psychological inflexibility model, this study aimed to examine cognitive fusion and experiential avoidance as…