Interrupted time series (ITS) are often meta-analysed to inform public health and policy decisions but examination of the statistical methods for ITS analysis and meta-analysis in this context is limited. We simulated meta-analyses of ITS studies with continuous outcome data, analysed the studies using segmented linear regression with two…

According to the American School Counselor Association (ASCA), schools designated with Recognized American School Counselor Model Programs (RAMP) demonstrate alignment with the ASCA National Model, widely recognized as the standard for comprehensive school counseling programs (CSCPs). Empirical investigations of the barriers to achieving the…

Researchers have recognized the need for updates of test anxiety scales for more measurement accuracy. However, studies that investigated the measurement invariance of the Test Anxiety Inventory (TAI), and identified the latent profiles remain scare not withstanding its wide usage in Nigeria. This might have an impact on how generalizability and…

This paper seeks to empirically validate a sector agonistic instrument that measures the perceived critical success factors in data governance. Twelve constructs (Leadership and Management Commitment; Leadership and Management Alignment; Executive Sponsorship; Robust Data Governance Strategy; Change Management; Training and Education; Governance…

Determining the number of factors in exploratory factor analysis is arguably the most crucial decision a researcher faces when conducting the analysis. While several simulation studies exist that compare various so-called factor retention criteria under different data conditions, little is known about the impact of missing data on this process.…

Despite a call for evidence-based practice in school psychology, limited research on the topic of evidence-based assessment exists. To begin to address this gap in the research, a modified version of Jenson-Doss and Hawley's (2010) Attitudes Toward Standardized Assessment (ASA) scale was administered to 371 U.S. school psychologists. Examination…

In scientific research on creativity, there has been considerable debate concerning the criteria by which a production can be judged more or less creative, that is, about the definition of "creativity." The most frequent definition -- the "standard" definition -- incorporates the criteria of "novelty" and…

Narcissism in social media reveals itself differently than in daily social interactions. Therefore, the present study aimed to develop a Scale of Narcissism in Social Media through the lens of the Narcissistic Admiration and Rivalry Model and to investigate its psychometric characteristics. The total sample of the study consisted of 740…

Background: This paper presents a description of the development and psychometric properties of a self-report instrument for the assessment of sexual behaviour and concerns of people with mild intellectual disabilities (SEBECOMID-S). Methods and procedures: The study included 281 people with mild intellectual disabilities. The psychometric…

Validity in psychometrics refers to the degree to which evidence and theory supports the interpretations drawn from a test, and Messick's Contemporary Validity Theory (1994) includes several facets with well-established evidence collection methods. However, there is a lack of consensus on appropriate methods of evaluating the facet of…

Studying epistemically unwarranted beliefs (EUB) is relevant at basic, applied, and social levels. However, EUB scales validated in Spain are scare. Consequently, we aimed to develop and validate a scale of this kind. One thousand four hundred and sixty participants answered to a preliminary version of the questionnaire. Exploratory and…

Background/purpose: In addition to many competencies of school administrators, the level of intellectuality can increase the commitment of educational actors to the organization in schools with sociocultural diversity, which is considered as a wealth of Turkey. Considering the sociocultural developments of the present day, it is important to know…

The game is an important tool that provides motivation for the individual at almost any age while entertaining it, as well as providing achievements to the individual and socially. The use of this tool as an educational tool or material can help increase the success of learning-teaching processes. For this reason, the aim of this research was to…

Professional development programs (PDs) for in-service teachers are usually structured to deliver standardized content. However, considering the differences in the teaching practices utilized by teachers of different subjects, their needs and expectations may vary. Thus, this study develops an instrument to determine inservice teachers'…

This study aimed to study the validity and reliability of the Uskudar Benevolence and Malevolency Scale (USBEMA). The sample consists of 1028 people from all over Turkey. The analysis made revealed that the scale consists of two factors. The first factor "Purpose Oriented" explains 35.2% of the variance and the second factor…