An in-depth investigation of vocabulary depth knowledge by lexical researchers plays a prominent role in language learning and teaching. The objectives of the present study were to investigate the extent of relationship and prediction of the three constitutes of vocabulary depth knowledge (i.e., analytic relations, morphological knowledge, and…

This article describes the development and validation of an Innovation Attitude Survey (IAS) composed of 16 Likert-type items selected to measure middle school students' attitudes toward innovation and leadership in the advancement of new ideas. The goal of developing the IAS was to identify desirable dispositions that may be related to future…

Optics is a core field in the curricula of secondary physics education. In this study, we present the development and validation of a test instrument in the field of optics, the ray optics in converging lenses concept inventory (ROC-CI). It was developed for and validated with middle school students, but can also be adapted for the use in higher…

This article presents the development and validation of the Pre-Service EFL Teachers' Motivational Beliefs about Instructional Use of Technology scale (PTMB-EFL) using a randomly split sample. Confirmatory factor analysis supported a 23-item six-factor structure of the PTMB-EFL generated from exploratory factor analysis. Significant correlations…

Recently, research in second language acquisition has seen an increased attention on low-educated low-literate (LESLLA) learners. However, few of the existing instruments to measure L2 proficiency have been validated for use with this population. In this paper, we examine how adult L2 learners with diverging educational backgrounds perform on and…

The article describes a new method for assessing the risk of bullying at school. We present certain results of international studies in the area of school bullying. We outline the reasons why it is necessary to develop assessment tools and school bullying prevention programs in Russia. We describe the process of developing, testing, and validating…

This study aims to determine the validity and reliability of applying the coding strategy from the Brief Observation of Social Communication Change, a newly validated treatment outcome measure, to videotaped segments of the Autism Diagnostic Observation Schedule. Results indicate strong reliability and validity of the Brief Observation of Social…

For this study, a scale was developed to measure the factors that may affect the gamification process in undergraduate education. The sequential exploratory mixed method was used to recruit the required data. Through the use of convenient sampling, 91 pre-service teachers participated in this study. Kahoot!, one of the online game platforms, was…

Numerous studies have been undertaken to design, develop, and provide validity evidence for using instruments to measure students' attitudes toward STEM (Science, Technology, Engineering, and Mathematics). This study presents validity evidence of scores produced from the S-STEM measurement tool and used to evaluate changes in attitudes during an…

In this study the Autism Mental Status Exam (AMSE) was validated towards ICD-10 Autism Spectrum Diagnoses (ASD) based on an interview with the Diagnostic Interview for Social and Communication Disorders (DISCO-11) with parent(s)/caregiver(s) in a group of 124 children referred for assessment to a clinical assessment unit for pre-school children.…

The Children's Depression Inventory (CDI) is used to screen for depression in children aged 7 years to 16 years. The purpose of this study is to examine the psychometrics of the CDI in a sample of children who are chronically ill (N = 350) and in a sample of matched community comparison peers (N = 357), and determine if the psychometrics of the…

Because academic, behavioral, and social difficulties are highly prevalent among U.S. high school students, teacher report is a critical component of comprehensive screening and assessment of adolescents. Currently available teacher questionnaires have limited utility in high school settings because of time demands and lesser opportunity to…

Background: This study evaluated the validity of the Intelligibility in Context Scale--Traditional Chinese (ICS-TC) and explored its potential as a screening tool for speech sound disorder (SSD) in Cantonese-speaking children in Hong Kong. Method: The parents of 789 Cantonese-speaking children aged between 2;4 (years;months) and 6;9 completed the…

This brief report presents an analog test of the relative classification validity of three cutoff values (CVs; 16, 18, and 20) derived from responses to the self-report version of the Strengths and Difficulties Questionnaire: Total Difficulties Scale. Results from Bayesian t-tests, using several school-specific subjective well-being indicators as…

The purpose of this study is to develop instruments of critical thinking skills that meet the validity, reliability, and criteria for good items. This research includes development research which consists of the design and implementation stages. The analysis in the study used quantitative analysis with the Confirmatory Factor Analysis (CFA)…