Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Comparing Experimental Results: Student's t-Test

Comparing Experimental Results: Student's t-Test

The t-test is a statistical method used to compare the sample mean with a population mean or compare two means from two data sets. The test statistic is calculated from the standard deviation, mean, and number of measurements in the data set at a selected confidence interval and then compared to a table of critical values at this confidence level. If the test statistic is smaller than the critical value, the null hypothesis is accepted. In this case, we state that the difference between the...

Reliability and Validity

Reliability and Validity

Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.

Data Validation

Data Validation

Data validation is an essential part of a comprehensive assessment. Validation is confirming or verifying and opening the door to gathering more assessment data as it clarifies vague or unclear data. The process of checking and verifying the collected information is called data validation. The primary purpose of data validation is to ensure data is as free from error, bias, and misinterpretation as possible.
Nursing assessment guides are generally based on holistic models rather than medical...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

The double dissociation between cortical blindness and aphantasia: A review of 55 cases.

Cortex; a journal devoted to the study of the nervous system and behavior·2026

Same author

Normative data and clinical usability of the brief examination of social abilities: a novel screening test for social cognition.

Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology·2026

Same author

Evidence for multiple past introgressions among chimpanzee subspecies during warming periods.

Communications biology·2026

Same author

The concept of 'testament': Item-level analysis and relationship with demographic, clinical, and testamentary capacity-related variables in healthy adults.

Applied neuropsychology. Adult·2026

Same author

The head turning sign "outside the clinic walls" in patients with mild cognitive impairment and dementia.

Journal of Alzheimer's disease : JAD·2026

Same author

Macroevolutionary patterns of endocast lateralization in catarrhines and fossil hominins.

Brain, behavior and evolution·2026

Search research articles

Related Experiment Video

Updated: Oct 13, 2025

Computerized Adaptive Testing System of Functional Assessment of Stroke

Computerized Adaptive Testing System of Functional Assessment of Stroke

Published on: January 7, 2019

The Testamentary Capacity Assessment Tool (TCAT): validation and normative data.

Nadia Bolognini^1,2, Chiara Gramegna^3,4, Antonella Esposito³

¹Department of Psychology, University of Milano-Bicocca, Milan, Italy. nadia.bolognini@unimib.it.

Neurological Sciences : Official Journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology

|November 17, 2021

Summary

This study provides normative data for the Testamentary Capacity Assessment Tool (TCAT), validating its use as a cognitive screening test for testamentary capacity. The TCAT shows good convergent validity with other cognitive measures.

Keywords:

Cognitive screening test Dementia Forensic Assessment Instruments Normative data Testamentary capacity

More Related Videos

Traditional Trail Making Test Modified into Brand-new Assessment Tools: Digital and Walking Trail Making Test

Published on: November 23, 2019

Development of a Virtual Reality Assessment of Everyday Living Skills

Development of a Virtual Reality Assessment of Everyday Living Skills

Published on: April 23, 2014

Related Experiment Videos

Last Updated: Oct 13, 2025

Computerized Adaptive Testing System of Functional Assessment of Stroke

Computerized Adaptive Testing System of Functional Assessment of Stroke

Published on: January 7, 2019

Traditional Trail Making Test Modified into Brand-new Assessment Tools: Digital and Walking Trail Making Test

Published on: November 23, 2019

Development of a Virtual Reality Assessment of Everyday Living Skills

Development of a Virtual Reality Assessment of Everyday Living Skills

Published on: April 23, 2014

Area of Science:

Neuropsychology
Cognitive Assessment
Forensic Psychology

Background:

Increasing need for objective testamentary capacity (TC) assessment in dementia.
Limited adoption of the new Testamentary Capacity Assessment Tool (TCAT) due to lack of validation and normative data.
TCAT assesses cognitive functions like autobiographic memory and Theory of Mind, not covered by traditional tests.

Purpose of the Study:

Collect normative data for the TCAT.
Assess TCAT's convergent validity with standardized cognitive tests.
Evaluate TCAT's capacity to define a 'testament'.

Main Methods:

323 neurologically healthy adults (31-93 years) participated.
Administered TCAT alongside Beck Depression Inventory-II (BDI-II), Montreal Cognitive Assessment (MoCA), Mini-Mental State Examination (MMSE), Frontal Assessment Battery (FAB), and Testament Definition Scale (TDS).
Utilized multiple regression and correlation analyses.

Main Results:

Gender, age, and education significantly affected TCAT scores.
TCAT scores correlated significantly with MMSE, MoCA, FAB, and BDI-II.
Positive correlation between TCAT and TDS confirmed convergent validity.

Conclusions:

The study provides normative data for TCAT, supporting its use as an adjuvant cognitive screening test for TC.
Findings encourage TCAT adoption in clinical practice for comprehensive neuropsychological evaluations.
TCAT's unique assessment of cognitive functions enhances its utility beyond traditional screening tools.