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Tellegen & Briggs Formula 4 Calculator: A New Tool for Psychometric Precision
Psychological Measurement and Testing

Tellegen & Briggs Formula 4 Calculator at Cogn-IQ.org

The Tellegen & Briggs Formula 4 Calculator, available at Cogn-IQ.org, is a specialized tool designed to help professionals recalibrate and interpret scores from psychological assessments. It provides an efficient way to calculate the Tellegen-Briggs Index (TBI), which is particularly useful when standardization data is unavailable or limited. Background The Tellegen-Briggs …

Introducing AMES: A Self-Administered Tool for Early Detection of Cognitive Decline
Cognitive Aging and Decline

AMES: A New Dawn in Early Detection of Cognitive Decline

The Automated Memory and Executive Screening (AMES) tool, introduced by Huang et al. (2023), represents a significant step in identifying early cognitive decline. Designed for use in primary care settings, AMES evaluates cognitive domains such as memory, language, and executive function. This post reviews the study’s findings and the tool’s …

Assessing Nonverbal Intelligence
Psychological Measurement and Testing

Assessing Nonverbal Intelligence: Insights from the JCFS

The Jouve-Cerebrals Figurative Sequences (JCFS) is a self-administered test designed to measure nonverbal cognitive abilities, focusing on pattern recognition and problem-solving. This post outlines the psychometric evaluation of the JCFS, emphasizing its reliability and practical applications while acknowledging areas for future development. Background The JCFS was developed to provide a …

Evaluating the NIH Toolbox for Cognitive Change in Intellectual Disabilities
Psychological Measurement and Testing

Evaluating the NIH Toolbox for Cognitive Change in Intellectual Disabilities

Shields et al. (2023) examined the effectiveness of the National Institutes of Health Toolbox Cognition Battery (NIHTB-CB) in identifying cognitive development and changes in individuals with intellectual disabilities (ID). The study focused on groups with fragile X syndrome (FXS), Down syndrome (DS), and other forms of intellectual disability (OID), offering …

NCS-6: A Streamlined Measure of Need for Cognition
Psychological Measurement and Testing

Introducing the NCS-6: A Streamlined Measure of Need for Cognition

The article by Coelho, Hanel, and Wolf (2018) presents the NCS-6, a shortened version of the Need for Cognition Scale (NCS-18). This scale measures an individual’s tendency to engage in and enjoy thinking, a concept that has become significant in fields like social and medical sciences. By reducing the original …

Revising the Epreuve de Performance Cognitive: Psychometric Properties of the Revised Nonverbal, Sequential Reasoning Test
Psychological Measurement and Testing

Revising the Epreuve de Performance Cognitive: Psychometric Properties of the Revised Nonverbal, Sequential Reasoning Test

Abstract This study aimed to revise the Epreuve de Performance Cognitive (EPC), a nonverbal, sequential reasoning test, by incorporating a stopping requirement after five consecutive misses, and to evaluate the psychometric properties of the revised EPC. Data from 1,764 test takers were analyzed using various statistical methods. The revised EPC …