47 documents found, page 1 of 5

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Prospective avenues in travel behavior research supported by the cognitive diss...

Araújo de Melo, L. E.; Sinval, J.; Isler, C. A.

Recent findings on the relationship between travel choices and attitudes toward different modes of transport have highlighted the importance of Festinger’s Cognitive Dissonance Theory (CDT). Evidence suggests a bidirectional influence between travel behavior and attitudes, making CDT especially relevant. However, little attention has been paid to exploring CDT itself in the transportation domain. We present a s...

Date: 2025   |   Origin: Repositório ISCTE

Knowledge and use of evidence-based practice in psychology in the clinical prac...

Melnik, T.; Sinval, J.; Pinho, V. D. de.; Hartmann Junior, J. A. S.; Oliveira, M. da S.; Lopes, F. M.

Background/Objectives: The use of scientific evidence for the diagnosis and treatment of mental disorders is crucial for achieving optimal clinical outcomes and providing high-quality care. This study investigates the knowledge, sources of evidence, and attitudes of Brazilian clinical psychologists regarding evidence-based practice in psychology (EBPP) and discusses barriers to its implementation. Methods: A to...

Date: 2025   |   Origin: Repositório ISCTE

Preservice teachers' assessment decisions: Exploring the role of fairness conce...

Rasooli, A.; Holden, M.; Sinval, J.

Teachers' conceptions of fairness influence their approaches to assessment. Perceptions of fairness underpin how teachers legitimate their values and provide reasons for teachers to defend assessment decisions and actions. This study therefore examined fairness conceptions at a critical stage in teachers' journey towards assessment capacity: their perceptions as teacher candidates. Specifically, we investigated...

Date: 2025   |   Origin: Repositório ISCTE

Exploring the impact of depression, anxiety, stress, academic engagement, and d...

Sinval, J.; Oliveira, P.; Novais, F.; Almeida, C. M.; Telles-Correia, D.

Background Depression, anxiety, and stress (DAS) have been linked to poor academic outcomes. This study explores the relationships among DAS, academic engagement, dropout intentions, and academic performance — measured by Grade Point Average (GPA) — in medical students. It aims to understand how these factors relate to each other and predict academic performance. Methods Data were collected from 351 medical stu...

Date: 2025   |   Origin: Repositório ISCTE

The Georgia School Personnel Survey of school climate: Validity evidence from a...

Mendes, S. A.; Sinval, J.; Cadime, I.; Rodrigues, B.; Inman, R.; Neves‐McCain, J. R.; La Salle‐Finley, T. P.

This study focuses on the adaptation of the Georgia School Personnel Survey (GSPS) to assess perceptions of school climate among Portuguese educational professionals, including teachers and support staff. Data from two samples (n1 = 1965; n2 = 2884) were analysed in the study. Through confirmatory factor analysis, the survey's structure was validated, revealing a second-order factor composed of six first-order ...

Date: 2025   |   Origin: Repositório ISCTE

The Walsh Family Resilience Questionnaire: Validity evidence from Portugal

Morais, Inês; Teplitzky Carneiro, Francis Anne; Sinval, J.; Costa, Pedro Alexandre; Leal, I.

Background: Family resilience refers to a family’s capacityto face and manage adversities, emerging as a stronger andmore resourceful unit. A family system approach enlargesthe lens to the broad relational network, identifying poten-tial resources for resilience within the immediate andextended family. This approach emphasizes a family’sinnate ability to adapt in the face of adversities.Objective: This study ai...


Academic success, engagement and self-efficacy of first-year university student...

Casanova, J. R.; Sinval, J.; Almeida, L. S.

Higher education can be hugely transformative for students and has an important role in empowering human capital, innovation, and society’s social, cultural, and environmental development. The expansion of higher education has promoted access for a more heterogeneous mix of students, but ensuring access does not guarantee academic success. This paper aims to analyse predictors of academic achievement in 447 fir...

Date: 2024   |   Origin: Repositório ISCTE

Correlates of burnout and dropout intentions in medical students: A cross-secti...

Sinval, J.; Oliveira, P.; Novais, F.; Almeida, C. M.; Telles-Correia, D.

Background Burnout is a pervasive issue among medical students, exhibiting a high prevalence that jeopardizes their academic success and may also predispose them to more severe affective disorders such as depression. This study aims to explore the complex relationships between psychological capital (PsyCap), general social support, educational satisfaction, and burnout, and how these factors collectively influe...

Date: 2024   |   Origin: Repositório ISCTE

Psicometria e os testes diagnósticos na prática baseada em evidências

Sinval, J.

A importância do uso de instrumentos psicométricos de qualidade na psicologia baseada em evidências reside na necessidade de garantir um grau de confiança maior nos dados recolhidos e interpretados (Flake et al., 2017). Os instrumentos psicométricos são uma ferramenta importante na prática profissional tanto de psicólogos como de outros profissionais (Furr, 2020), nomeadamente na área da pesquisa. Instrumentos ...

Date: 2024   |   Origin: Repositório ISCTE

The Walsh Family Resilience Questionnaire: Validity evidence from Portugal

Morais, I.; Carneiro, F. A.; Sinval, J.; Costa, P. A.; Leal, I.

Background Family resilience refers to a family's capacity to face and manage adversities, emerging as a stronger and more resourceful unit. A family system approach enlarges the lens to the broad relational network, identifying potential resources for resilience within the immediate and extended family. This approach emphasizes a family's innate ability to adapt in the face of adversities. Objective This study...

Date: 2024   |   Origin: Repositório ISCTE

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