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

Kubler Ross's Stages of Dying

Kubler Ross's Stages of Dying

Elisabeth Kübler-Ross significantly advanced psychology's understanding of the process of dying with her influential book, On Death and Dying (1969). She focused on studying terminally ill individuals and outlined five stages commonly experienced when coping with death: denial, anger, bargaining, depression, and acceptance.
In denial, individuals reject the reality of their condition, often thinking, "This isn't true; I feel fine," as a way to protect themselves from emotional distress. Anger...

Bonanno's Theory of Grieving

Bonanno's Theory of Grieving

Grieving is a complex psychological and emotional process that varies significantly among individuals. George Bonanno's research on bereavement identified four distinct patterns of grieving, offering a nuanced understanding of how people cope with significant loss, such as the death of a spouse, over extended periods. These patterns — resilience, recovery, chronic dysfunction, and delayed grief — highlight the diversity in emotional responses and adaptive mechanisms.
Resilience
The resilience...

Self-Report Tests of Personality

Self-Report Tests of Personality

Self-report inventories are objective personality assessments that use multiple-choice items or numbered scales, typically ranging from 1 (strongly disagree) to 5 (strongly agree). They are often called Likert scales after Rensis Likert. These inventories are widely used due to their ease of administration and cost-effectiveness. One of the most prominent examples is the Minnesota Multiphasic Personality Inventory (MMPI), initially developed in the 1940s to assess abnormal personality traits.

Theory of Romantic Attachment in Adulthood

Theory of Romantic Attachment in Adulthood

Attachment is a long-standing connection or bond with others. While Attachment Theory was conceived in developmental psychology to describe infant-caregiver bonding, it's been extended into adulthood to include romantic relationships.

Assumptions of Survival Analysis

Assumptions of Survival Analysis

Survival models analyze the time until one or more events occur, such as death in biological organisms or failure in mechanical systems. These models are widely used across fields like medicine, biology, engineering, and public health to study time-to-event phenomena. To ensure accurate results, survival analysis relies on key assumptions and careful study design.

You might also read

Related Articles

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

Sort by

Same author

The Illness Management and Recovery Scale: Adaptation and Validation Study of the Spanish Version.

Evaluation & the health professions·2026

Same author

Reducing mental health stigma among nursing students through an educational intervention.

Contemporary nurse·2024

Same author

Definition and validation of the nursing diagnosis label "wish to die": a research protocol.

BMC nursing·2024

Same author

Spanish Version of the Bedtime Procrastination Scale: Cross-Cultural Adaptation and Psychometric Evaluation in a Sample of Nursing Students.

Psychological reports·2021

Same author

Family caregiver emotional distress in advanced cancer: the DME-C scale psychometric properties.

BMJ supportive & palliative care·2020

Same author

Development and psychometric testing of a scale for assessing the associative stigma of mental illness in nursing.

Journal of clinical nursing·2020

Search research articles

Related Experiment Video

Updated: Jul 16, 2026

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

Published on: September 12, 2014

Using polytomous item response models to assess death anxiety.

Juana Gómez¹, M Dolores Hidalgo, Joaquín Tomás-Sábado

¹Department of Behavioral Sciences Methodology, University of Barcelona, Spain.

Nursing Research

|March 16, 2007

Summary

The Death Anxiety Inventory (DAI) adequately fits the generalized partial credit model, accurately measuring medium to high death anxiety levels. This analysis validates the DAI for clinical use and research on mortality-related psychological consequences.

More Related Videos

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses

Published on: September 28, 2018

Related Experiment Videos

Last Updated: Jul 16, 2026

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

Published on: September 12, 2014

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses

Published on: September 28, 2018

Area of Science:

Psychology
Psychometrics

Background:

Human attitudes toward death are extensively studied.
Psychometric instruments measure death anxiety and its consequences.
Individuals with high mortality exposure are often studied.

Purpose of the Study:

Analyze the 20-item Death Anxiety Inventory (DAI).
Utilize item response theory (IRT).
Apply the generalized partial credit model.

Main Methods:

Sample: 154 men, 550 women (nurses, doctors, workers, teachers, students, retirees).
Instrument: 20-item DAI, Likert-type, six response options.
Analysis: Generalized partial credit model.

Main Results:

DAI showed adequate fit to the generalized partial credit model.
4 of 20 items had poor model fit.
The 20-item DAI effectively differentiates medium/high death anxiety levels.

Conclusions:

Generalized partial credit model provides detailed clinical test insights.
This IRT approach is advantageous for polytomous tests.
The DAI is validated for assessing death anxiety.