The primary aim of the study was to examine the validity of the Indonesian version of the 23-item WhatsApp Social Support Scale (WSSC) adapted from an earlier study by Chung, Yang and Chen. A total of 214 in-service English as a foreign language (EFL) teachers across school levels in Indonesia participated in the study. Rasch statistical analyses…

The main aim of this study is to develop a useful, valid, and reliable two-tier proportional reasoning skill test for middle school 7th and 8th-grade students. The research was carried out using the sequential explanatory mixed method. The study group of this research comprised of 391 (n[subscript 7th-grade]=223, n[subscript 8th-grade]=168)…

Teachers have an important role in the achievement progress of students with dyslexia. Therefore, measuring teachers' knowledge and perception of dyslexia is important. Given that an instrument that measures both teachers' knowledge and perception of dyslexia is not available, this study aims to develop a scale to measure primary school teachers'…

This study aims to develop a scale that will determine the factors causing professional obsolescence in the field of education. In this context, the Professional Obsolescence Scale (POS) has been developed to determine the professional and organizational obsolescence of primary, secondary and high school administrators. In this scale development…

Measurement limitations have hindered research on learned helplessness (LH) and mastery orientation (MO) in the classroom. We reduced the 24-item Student Behavior Checklist to a 6-item scale and tested the abbreviated measure for evidence of reliability and validity in a sample of 5th and 6th graders (N = 299). We then replicated findings in an…

Phubbing is defined as ignoring people with whom you have a face-to-face relationship to attend to smartphones. The phenomenon of phubbing particularly affects the teenage and young segments of the population. The main problem lies in the impact it has on individuals' social relationship. A lack of validated instruments to diagnose this phenomenon…

Vocabulary skills are important for overall reading competence, but vocabulary assessment approaches that inform instructional decision-making and are sensitive to improvement are limited. This article describes a process for developing vocabulary measures designed to facilitate data-driven decision-making for kindergarten and first-grade students…

Interdisciplinary approach is viewed as the best way to learn about and perceive complex scientific phenomena in the real world; therefore, students need to develop interdisciplinary habits of mind in K-12 science education. This article provided a framework for understanding middle school students' interdisciplinary competence that included four…

We used a data set with n = 1,603 learners of foreign languages (FL) to develop and validate the short form of the Foreign Language Enjoyment Scale (S-FLES). The data was split into 2 groups, and we used the first sample to develop the short-form measure. A 3-factor hierarchical model of foreign language enjoyment (FLE) was uncovered, with FLE as…

This study was aimed to develop an instrument to measure primary and secondary school students' attitudes toward mathematics and to find the underlying dimensions that comprise the attitudes toward mathematics. In addition, it was aimed to examine students' attitudes towards mathematics in terms of gender and grade level variables. For this…

The aim of this study was to develop a scale to measure the attitudes of the university academic and administrative staff and students toward sexual harassment and assault, and examine its psychometric properties. After the development of the item pool and examination of the content validity of the intended items, Exploratory Factor Analysis (EFA)…

This study aimed to develop an illustration-based developmental motor screening questionnaire (DMSQi) for young children and examined its psychometric properties. 463 young children and their caregivers were collected and received the DMSQi assessment. DMSQi is made up of two domains. The gross motor (GM) domain includes body coordination and…

Since Mishra and Koehler released their framework of technological pedagogical content knowledge (TPACK), researchers have been attempting to measure it with a variety of self-assessment instruments. Early TPACK instruments struggled with construct validity. More recently, several instruments have been tested for validity and reliability…

Background: Because of coronavirus disease 2019 (COVID-19) in Italy, control measures were adopted, such as closure of schools, universities, workplaces, and subsequently lockdown, so everyone's life changed. This is associated with psychological disorders in general public and in particular on students. Objective: To evaluate validity and…

The aim of the research is to identify the reality of learning disabilities teachers' application of the diagnostic tests with of some variables (gender, experience, academic qualification) in Jubail city. The descriptive comparative approach was used for its suitability to the nature of the current research. The sample was chosen from the…