The investigation of epistemological beliefs has become important in both pre-service and in-service education of teachers. Different scales have been developed to determine teachers' epistemological beliefs. The same scale yields different results in different cultures especially due to the cultural aspects of education. Therefore, testing the…

"LifeSkills Training" (LST) is a popular drug prevention program shown to be effective at preventing youth substance use. The Middle School Health Survey (MSHS) is a questionnaire that was created by the developers of the LST curriculum to measure changes in knowledge and attitudes about drugs and life skills among youth. Despite the…

The aim of the study is to adapt Preschool Children's Science Motivation Scale (PCSMS) developed by Oppermann et al. into Turkish and conduct the validity and reliability analyses. This scale is considered important in terms of evaluating the science motivation of preschool children through the science concepts they are familiar with, based on…

The purpose of this research is to examine measurement invariance of collaborative problem solving skills measured by PISA 2015 Xandar subtest for Singapore, Norway, and Turkey. The research was conducted with 2990 participants' data obtained from Turkey (1032), Norway (923), and Singapore (1035) on PISA 2015 collaborative problem solving study.…

This cross-sectional study aimed to validate students' metacognition awareness inventory in Heat and Temperature material. A total of 167 public senior high school students in Yogyakarta, Indonesia were selected through convenience sampling technique. The heat and temperature metacognition awareness inventory (HeTMAI) inventory consists of six…

Kolb's Learning Style Inventory (LSI) continues to generate a great debate among researchers, given the contradictory evidence resulting from its psychometric properties. One primary criticism focuses on the artificiality of the results derived from its internal structure because of the ipsative nature of the forced-choice format. This study seeks…

In exploratory factor analysis, although the researchers decide which items belong to which factors by considering statistical results, the decisions taken sometimes can be subjective in case of having items with similar factor loadings and complex factor structures. The aim of this study was to examine the validity of classifying items into…

Restricted interests and repetitive behaviors (RRBs) are core symptoms of autism spectrum disorder (ASD), and commonly occur in attention-deficit/hyperactivity disorder (ADHD). Little is known about how RRBs manifest in ADHD. We quantified and compared factor structures of RRBs in children with ASD (n = 634) or ADHD (n = 448), and related factors…

Research into reading difficulties in Russian has been taking place for about a century, since the 1920s. Early research established a line of studies on reading acquisition difficulties in the context of highly structured practices of teaching reading. These practices were propagated in the mid-late 19th century by Konstantin Ushinskii, who…

The purpose of this study was to adapt the Statistics Anxiety Rating Scale (STARS) for a Greek student population. The STARS was administered to 890 Tertiary Education students in two Greek universities. It was performed a cross-validation study to examine the factorial structure and the psychometric properties with a series of confirmatory factor…

Course design is critical to online student engagement and retention. This study focused on the development and validation of an online course design elements (OCDE) instrument with 38 Likert-type scale items in five subscales: (a) overview, (b) content presentation, (c) interaction and communication, (d) assessment and evaluation, and (e) learner…

This study reports on validation of a writing motivation survey and its relationship with a variety of indicators of academic performance of 566 undergraduate students drawn from six US postsecondary institutions. A writing motivation survey was used to capture students' writing goals, confidence, beliefs, and affect. Two research questions are…

The construct validity of the Spanish Version of the Wechsler Intelligence Scale for Children Fifth Edition (WISC-V[superscript Spain]) was investigated via confirmatory factor analysis. For all 15 subtests, the higher-order model preferred by Wechsler (2015b) contained five group factors but lacked discriminant validity. A bifactor model with…

The factor structure of the Wechsler Intelligence Scale for Children--Fourth Edition, Italian adaptation (WISC-IV Itaian; Orsini, Pezzuti, & Picone, 2012; Wechsler, 2012) standardization sample was examined with exploratory factor analytic methods (EFA) not included in the "Technical Manual." Principal-axis extraction followed by…

The Center of Epidemiological Studies Depression scale (CES-D) has been used for decades to identify symptomatology of depression in individuals. Overtime, the factor structure of the scale has been both confirmed and challenged when applied to different population samples. The present study explores the factor structure in population sample…