Search results for "validity"
showing 10 items of 891 documents
DEVELOPMENT OF A TEST FOR EVALUATING THE CONCEPTUAL KNOWLEDGE OF CHEMICAL EQUILIBRIUM CONSTANT AMONG UNIVERSITY STUDENTS AND ITS APPLICATION TO SPANI…
2014
This article outlines a procedure that was used to develop a written test for evaluating the conceptual knowledge of chemical equilibrium constant among university students. The concepts in the subject matter were carefully defined through propositional statements. Students' understanding of the topic was determined through interviews. These data were used to produce nine multiple choice questions. Each question was designed to identify misconceptions related to the chemical equilibrium constant. The test was evaluated by foure associate professors and was administred to a total of 196 spanish university students. This test has a Cronbach's alpha reliability of 0.63 and its content validity…
Translating international achievement tests : translators’ view
2012
Kansainväliset arviointitutkimukset edellyttävät laajaa käännöstyötä, koska kaikki koemateriaalit on käännettävä kunkin osallistujamaan kielille. Kaikkien erikielisten koeversioiden on lisäksi oltava keskenään vertailukelpoisia, jotta tutkimustulokset olisivat valideja. Arviointitutkimuksissa onkin kehitetty nimenomaisia käännösprosesseja ja -käytänteitä varmistamaan koeversioiden vertailukelpoisuus ja tutkimustulosten validius. Tässä tutkimuksessa tarkasteltiin kääntäjien kokemuksia näistä prosesseista ja käytänteistä ja niissä ilmenneistä ongelmista. Tavoitteena oli kehittää kansainvälisten arviointitutkimusten käännösprosesseja ja -käytänteitä ja lisätä näin näiden tutkimusten tulosten v…
La validación transcultural de intervenciones clínicas basadas en evidencia para el tratamiento de trastornos de ansiedad
2014
Las aplicaciones de tecnologías avanzadas han generado la emergencia de un espacio de investigación en ciencias del comportamiento. El creciente acervo de publicaciones, sobre la eficacia y eficiencia de programas de intervención para una serie de trastornos psicológicos, plan- tea la necesidad de fortalecerlos, evaluando su generalización a otros contextos culturales para contribuir a la medición de la validez externa. Mediante la colaboración de dos grupos de investi- gación, se realizó la validación transcultural de tres intervenciones empleando realidad virtual para el tratamiento de miedo a volar, agorafobia y miedo a hablar en público con un programa auto-apli- cado, que demostraron p…
Litigating Treaties by Means of Article 46 of the Vienna Convention on the Law of Treaties
2022
The contribution deals with Article 46 of the Vienna Convention and related national and internationa case-law.
Assessment of Microstressors in Adults: Questionnaire Development and Ecological Validation of the Mainz Inventory of Microstressors
2020
Background Many existing scales for microstressor assessment do not differentiate between objective (ie, observable) stressor events and stressful cognitions or concerns. They often mix items assessing objective stressor events with items measuring other aspects of stress, such as perceived stressor severity, the evoked stress reaction, or further consequences on health, which may result in spurious associations in studies that include other questionnaires that measure such constructs. Most scales were developed several decades ago; therefore, modern life stressors may not be represented. Ecological momentary assessment (EMA) allows for sampling of current behaviors and experiences in real…
An Updated Guideline for Assessing Discriminant Validity
2022
Discriminant validity was originally presented as a set of empirical criteria that can be assessed from multitrait-multimethod (MTMM) matrices. Because datasets used by applied researchers rarely lend themselves to MTMM analysis, the need to assess discriminant validity in empirical research has led to the introduction of numerous techniques, some of which have been introduced in an ad hoc manner and without rigorous methodological support. We review various definitions of and techniques for assessing discriminant validity and provide a generalized definition of discriminant validity based on the correlation between two measures after measurement error has been considered. We then review te…
Spanish Validation of the Flourishing Scale in the General Population
2017
Well-being research and its measurement have grown in the last two decades. The objective of this study was to adapt and validate the Flourishing Scale in a sample of Spanish adults. This was a cross-sectional study using a non-probabilistic sample of 999 Spanish general adult population participants. The psychometric properties of the scale were analysed from an exploratory and confirmatory perspective. Exploratory factor analysis showed a one-factor solution explaining 42.3% of the variance; an internal consistency of .846; temporal reliability correlation of .749; convergent validity with the Satisfaction with Life Scale of .521 and criterion validity with positive and negative affect (P…
Psychometric properties and factor structure of the Satisfaction with Life Scale in an elderly Portuguese retirees students sample
2017
El objetivo principal de este estudio ha sido analizar las propie- dades psicométricas de la escala de Satisfacción con la Vida (SWLS) en una muestra de 363 estudiantes jubilados pertenecientes a varias universidades portuguesas. El 70% de los participantes eran mujeres frente a un 30% de hombres, con una media de edad de 67 años (SD = 7.59) y un rango de edad comprendido entre 48 y 90 años. Se realizó un Análisis Factorial Ex- ploratorio con R Commander y un Análisis Factorial Confirmatorio con Amos 18.0. El modelo que obtuvo un mejor ajuste estaba compuesto por un único factor. El índice de consistencia interna de la escala en su conjun- to fue de .777. En cuanto a la validez concurrente,…
International Assessment Surveys of Educational Achievement in Developing Countries : Why Education Economists Should Care
2015
International audience; This paper reviews the most known international assessment studies that are conducted in the context of poor countries and highlights the lack of empirical evidence on the degree to which the contents of the tests really match countries' curricula. To illustrate, the paper evaluates the sensitivity of an international testing instrument by comparing the responses of students in two consecutive grades on the same battery of tests. Using propensity score matching to control for student and teacher characteristics, the results show that the tests are not grade sensitive, which raises the question of the validity of many empirical works that are based on similar instrume…
Finnish diabetes‐related quality of life questionnaire for children and adolescents: Reliability and validity
2020
Aim To study the psychometric properties, reliability, and validity of the FinDiab quality of life questionnaire (FDQL), a strength‐oriented quality of life (QOL) questionnaire for children and adolescents with type 1 diabetes (T1D). Methods Participants were 215 youths with T1D (aged 10–17 years). They completed FDQL and comparison questionnaires (KINDL‐R and SDQ). Demographic and disease measures were collected from the participants’ medical records. The questionnaire’s psychometric properties were investigated. Construct validity was studied through principal component analysis using Promax rotation, reliability with alphas, and criterion and convergent validity with correlations between…