This article presents the adaptation of the MacArthur Communicative Development Inventory (CDI; Fenson et al., 1993, "Guide and technical manual for the MacArthur Communicative Development Inventories." San Diego, CA: Singular Press; Fenson et al. 1994, Variability in early communicative development. "Monographs of the Society for…

Validity and reliability are a major focus in teacher education accreditation by the Council for Accreditation of Educator Preparation (CAEP). CAEP requires the use of "accepted research standards," but many faculty and administrators are unsure how to meet this requirement. The Standards of Educational and Psychological Testing…

This study was conducted to examine the adaptation of the Child Developmental Assessment Scale (CDAS) to Turkish and the developmental evaluations of 5-year-old children in terms of several variables. A survey model was used in the study. The study group of this research is composed of children aged 5-year-old who Attend independent public…

Investigated internal consistency reliability and criterion validity of the Asperger Syndrome Diagnostic Scale (ASDS) in a well-characterized sample of 120 children ([X-bar][subscript age] = 9.91; autism [AUT] n = 54; non-autism [NOT] n = 66) who completed comprehensive outpatient evaluations with a gold-standard measure, the Autism Diagnostic…

The Fundamentals in Meteorology Inventory (FMI) concept inventory exam was recently developed to gauge understanding of fundamental meteorological concepts among introductory meteorology students. The exam was iteratively tested and refined over several years using a small sample of students. With a goal of evaluating the reliability and validity…

Objective: To develop an instrument to study family-centred care (FCC) in traditional open bay Neonatal Intensive Care Units (NICUs). Methods: The development process involved constructing instrument's items, establishing content validity by an expert panel and testing the instrument for validity and reliability with a convenience sample of 25…

Purpose: Aphasia fluency is multiply determined by underlying impairments in lexical retrieval, grammatical formulation, and speech production. This poses challenges for establishing a reliable and feasible tool to measure fluency in the clinic. We examine the reliability and validity of perceptual ratings and clinical perspectives on the utility…

School climate measures are important tools that assist educators in evaluating the "norms, values, and expectations that support people feeling socially, emotionally and physically safe" (National School Climate Council, 2007, p. 4). Positive school climate is associated with academic performance indicators such as grade point average,…

The growing interest of educational researchers in computational thinking (CT) has led to an expanding literature on assessments of CT skills and attitudes. However, few studies have examined whether CT attitudes influence CT skills. The present study examines the relationship between CT attitudes and CT skills for preservice teachers (PSTs). The…

This study examined the reliability and validity of the 13-item Classroom Observation Scale as used by teachers and non-clinically trained observers to identify children who more likely than their peers to have autism spectrum disorder in less-resourced preschools. A total of 534 children (ages 2;10 to 4;5, Mean = 3;8) from nine Chinese-language…

Test fairness is critical to the validity of group comparisons involving gender, ethnicities, culture, or treatment conditions. Detection of differential item functioning (DIF) is one component of efforts to ensure test fairness. The current study compared four treatments for items that have been identified as showing DIF: deleting, ignoring,…

Home-based parental involvement in early education is linked to beneficial outcomes in children's development and may redress unequal educational outcomes associated with family background. The type of educational activities at home and the way parents provide their support may differ across parents with and without a migration background. It is…

The purpose of this study was to adapt a survey developed by Chai, Jong et al. (2019) on technological pedagogical STEM (TP-STEM) knowledge into Turkish and to determine the knowledge of pre-service and in-service teachers about TP-STEM. The original survey consisted of four factors and a total of 17 items. These factors included Technological…

Objectives: The aim of this study was to develop a scale measuring inclusive school quality from parents' perceptions (Parents' perceptions of Inclusive School Quality, PISQ) and investigate the perceptions of Chinese parents of children with disabilities of inclusive school quality using the PISQ scale. Method: The data for 78 parents of children…

Rasch Analysis suggested the Lakaev Academic Stress Response Scale-1 (LASRS-1) would benefit from refinement by the addition of items and changes to the wording of other items. It was named the LASRS-2 and contained Four Domains (Affective, Behavioral, Cognitive, and Physiological). Rasch Model Analysis tested construct validity and internal…