Nathan Thompson articles
Flujo de trabajo de revisión de ítems para desarrollo de pruebas
La revisión de ítems es el proceso de garantizar que las preguntas de prueba recién escritas pasen por una rigurosa revisión por pares, para garantizar que sean de alta calidad y cumplan con los estándares
Certification vs. Licensure Exams: Differences and Examples
Certification vs licensure refers to the organization that runs a credentialing exam, usually nonprofit vs government, and whether it is legally required. These are terms that are used quite frequently to refer to credentialing examinations
¿Qué son los ítems mejorados tecnología?
Los ítems mejorados tecnología son ítems de evaluación (preguntas) que utilizan tecnología para mejorar la interacción de una pregunta de prueba en una evaluación digital, más allá de lo que es posible con el papel.
What is RIASEC Assessment? A tool to know yourself.
RIASEC assessment is type of personality assessment used to help individuals identify their career interests and strengths. Based on theory from John Holland, a renowned psychologist, this type of assessment is based on the premise
¿Qué es la Teoría de Respuesta al Ítem (TRÍ)?
La teoría de respuesta al ítem (TRÍ) es una familia de modelos de aprendizaje automático en el campo de la psicometría, que se utilizan para diseñar, analizar, validar y puntuar evaluaciones. Se trata de un
Addressing Pre-Knowledge in Exam Cheating
In the realm of academic dishonesty and high-stakes exams such as Certification, the term “pre-knowledge” is an important concern in test security and validity. Understanding what pre-knowledge entails and its implications in exam cheating can
Setting a Cutscore to Item Response Theory
Setting a cutscore on a test scored with item response theory (IRT) requires some psychometric knowledge. This post will get you started. How do I set a cutscore with item response theory? There are two
What are technology enhanced items?
Technology-enhanced items are assessment items (questions) that utilize technology to improve the interaction of a test question in digital assessment, over and above what is possible with paper. Tech-enhanced items can improve examinee engagement (important
Modified-Angoff Method Study
A modified-Angoff method study is one of the most common ways to set a defensible cutscore on an exam. It therefore means that the pass/fail decisions made by the test are more trustworthy than if
What is Item Response Theory (IRT)?
Item response theory (IRT) is a family of machine learning models in the field of psychometrics, which are used to design, analyze, validate, and score assessments. It is a very powerful psychometric paradigm that revolutionized
Criterion-related validity
Criterion-related validity is evidence that test scores are related to other data which we expect them to be. This is an essential part of the larger issue of test score validity, which is providing evidence
Why PARCC EBSR Items Provide Bad Data
The Partnership for Assessment of Readiness for College and Careers (PARCC) is a consortium of US States working together to develop educational assessments aligned with the Common Core State Standards. This is a daunting task,
What is Test Scaling?
Scaling is a psychometric term regarding the establishment of a score metric for a test, and it often has two meanings. First, it involves defining the method to operationally scoring the test, establishing an underlying
How do I develop a good Certification Test that meets standards?
Certification test development refers to the process of building an exam in accordance to international standards like NCCA, then delivering it securely. It is a critical business need for credentialing organizations and awarding bodies. As
What is a T score in Assessment?
A T Score is a conversion of scores on a test to a standardized scale with a mean of 50 and standard deviation of 10. This is a common example of a scaled score in
What is the Spearman-Brown formula?
The Spearman-Brown formula, also known as the Spearman-Brown Prophecy Formula or Correction, is a method used in evaluating test reliability. It is based on the idea that split-half reliability has better assumptions than coefficient alpha
Item Writing: Tips for Authoring Test Questions
Item writing (aka item authoring) is a science as well as an art, and if you have done it, you know just how challenging it can be! You are experts at what you do, and
Validity Threats and Psychometric Forensics
Validity threats are issues with a test or assessment that hinder the interpretations and use of scores, such as cheating, inappropriate use of scores, unfair preparation, or non-standardized delivery. It is important to establish a