Objective: To evaluate the psychometric properties of the short version of the Spanish Student Adaptation to College Questionnaire (SACQ-50, Spanish version). Participants: 1513 students from 14 universities in Peru, mainly females (61.5%), aged between 18 and 30 years. Method: Cross-sectional study with the questionnaire administered in person.…

Family income questions in general purpose surveys are usually collected with either a single-question summary design or a multiple-question disaggregation design. It is unclear how estimates from the two approaches agree with each other. The current paper takes advantage of a large-scale survey that has collected family income with both methods.…

Adolescence, a crucial period preceded by childhood and followed by adulthood, involves significant growth and developmental changes leading to various psychological challenges and aggressive tendencies. Several scales have been developed to measure aggression, but 12-item short form aggression questionnaire has been widely used for assessing…

There is growing interest in climate change education, however there are very limited tools in elementary and secondary level to measure students' understanding. Departing from this need, this study aimed to adapt the Climate Change Stages of Change Questionnaire into Turkish and examine its validity and reliability. The adaptation process stated…

The aim of this study is to find evidence of factorial validity, measure equivalence by gender, and internal consistency of the Mental Health Continuum-Short Form (MHC-SF) in a sample of Ecuadorian teenagers. The study uses a psychometric design to explore the validity and reliability of the measure. Participants of the study were 1154 teenagers…

Mangrove forests play a crucial ecological role in coastal protection, biodiversity maintenance, and carbon sequestration. However, their sustainability is increasingly threatened by human activities and environmental degradation. This study aims to investigate the impact of community ecological intelligence (CEI) on the long-term survival of…

The objectives of the present study were, on the one hand, to analyse the internal consistency of four questionnaires referring to the perception and knowledge of inclusion and cooperative learning (CL), and on the other, to discover the perception and knowledge of inclusion and CL in Physical Education (PE) of university students studying courses…

The aim of this study was to cross-culturally adapt and validate of the Brazilian Portuguese version of the Quality of Life in Autism Questionnaire (QoLA) among parents of children ASD. The translated version was administered to 91 parents (Male: 4, Female: 85, other: 2) of individuals diagnosed with ASD. Among these, 22 completed the…

We aimed to evaluate the internal consistency of Stanford Social Dimensions Scale (SSDS) translated to Serbian and to test it against the Strengths and Difficulties Questionnaire (SDQ). The sample consisted of 200 patients (32% ASD) of the Institute of Mental Health in Belgrade, Serbia (68 females, 132 males, M[subscript age]=9.61, SD[subscript…

A large body of research shows that physical activity helps school-aged children and adolescents improve their health and academic performance, and many different types of technology can be used to facilitate and promote physical activity within a school community. This study aimed to develop a valid and reliable questionnaire, titled the…

There is a need for valid and reliable instruments to assess learning outcomes in education for sustainable development (ESD). Measurement invariance (MI) needs to be established before results of these instruments can be validly compared between groups. Despite its importance, establishing MI is an often overlooked validation step. To provide an…

This study was aimed at developing and validating a scale that measures the emotions of secondary school students toward Biology. Before selecting a particular subject, it is very important to measure student's emotions toward that subject. The emotions were measured in two academic contexts: class-related and learning-related situations. The…

The main aim of this research is to describe and understand the main elements comprising the teaching innovation in teachers. For this purpose, a mixed research design was used, combining the survey method with case studies in three Iberoamerican countries (Spain, Brazil and Portugal) with teachers of pre-school, primary and secondary education.…

Questionnaire scales that are mixed-worded, i.e. include both positively and negatively worded items, often suffer from issues like low reliability and more complex latent structures than intended. Part of the problem might be that some responders fail to respond consistently to the mixed-worded items. We investigated the prevalence and impact of…

We conducted a psychometric synthesis of the internal consistency reliability and internal structure of scores on the English versions of the Patient Health Questionnaire-9 (PHQ-9) and Generalized Anxiety Disorder-7 (GAD-7) in publications between 2012 and 2022. Results supported acceptable-to-strong reliability and validity evidence of scores…