The Perceptions of Inclusion Questionnaire (PIQ) assesses the perceptions of inclusion in 3rd to 9th grade students through three scales: social inclusion, emotional inclusion, and academic self-concept. This study aimed to establish the psychometric properties of the Spanish version of the instrument (PIQ-Spa) since no prior formal validation of…

Background: Behavioural problems in individuals with intellectual disabilities have a negative impact on them. Limited assessment measures exist in Spain. This study aimed to validate the Behavior Problems Inventory--Short Form (BPI-S) in the Spanish population by examining its psychometric properties and factorial structures. Method: This study…

Introduction: There are numerous instruments for the measurement of gender awareness. However, there are relatively few validated instruments with a broad overarching holistic vision of gender that do not approach the issue from an adult perspective. For this reason, this study puts forward validated scale for measurement of Gender Awareness…

Although the original long version of the Hewitt Multidimensional Perfectionism Scale (HMPS) has been translated and validated in a Spanish population, no study to date has examined the psychometric properties of a short version of the HMPS with a Spanish-speaking sample. For this reason, the aim of this study is to analyze the psychometric…

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…

The objective of this work is to create, and validate, a questionnaire aimed at assessing those actions undertaken by school management teams to promote inclusion in compulsory education sector in Spain. It is based on the perspective of teaching teams (members of management teams and teachers). To determine the psychometric properties of the…

The main objective of this study was to develop and evaluate the psychometric properties of the Coping Inventory for Children and Adolescents during the Pandemic Lockdown (CICAP-11), that assesses coping strategies employed by children and adolescents when faced with pandemic-related home confinement. The CICAP-11 and other measures of anxiety and…

Procrastination in academic activities is common amongst university students, and has negative consequences for their personal as well as academic development. As a result, there is a need for valid -- yet at the same time brief and clear-cut -- measurement tools that enable the specific procrastinating behaviour of university students to be…

Background: People with intellectual disability have poor balance skills and greater fall risk. The Short Physical Performance Battery (SPPB) provides comprehensive information on functional status and can predict fall risk. However, the reliability and validity of the SPPB have not been evaluated in people with intellectual disability. Methods:…

Academic stress has attracted research interest in recent decades due to the similarity found between the occurrence of stress in students and that experienced by workers in organisations. However, tools to assess academic stress are either scarce, general or evaluate the consequences of academic stress. This study aims to validate the…

The current concept of inclusive education brings to light the need for assessment of pre-service and in-service teachers' attitudes towards inclusion, as they are essential agents to achieve full educational inclusion. The present study aimed to adapt a simple unidimensional tool to assess attitudes towards inclusion, the TAI scale. A total of…

The use of Information and Communication Technologies (ICT) has been increasing in education. Despite its benefits, not everyone perceives its use with the same ease. This raises the need to observe the perceived ease of use (PEOU) of ICT among future teachers, which requires a valid and reliable instrument to measure this variable for the Spanish…

The main aim of this study is to build a new observational coding system for sibling interactions (Sistema de Codificación de Interacciones entre Hermanos -- SCIH) and to analyze its psychometric properties and validity. First, this study offers the first Spanish adaptation of a self-report questionnaire to measure sibling relationships that…

Introduction: The assessment of well-being is crucial for measuring the effects of psychosocial interventions in people with intellectual disabilities. The aim of this study was to adapt and validate a measure of integrative well-being, the Pemberton Happiness Index (PHI) to use it specifically for this population. Methods: The Pemberton Happiness…

Introduction: Social self-efficacy refers to peoples' beliefs about their ability to establish effective social relationships. During adolescence, it has been related to positive social relationships, skills to cope with adverse experiences, and health. While prior research has focused on the general dimension of self-efficacy, this study aims to…