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Development and validation of a Manic Thought Inventory.
Imke Hanssen1,2, Peter Ten Klooster3, Marloes Huijbers1,2
1Department of Psychiatry, Center for Mindfulness, Radboud University Medical Center, Nijmegen, The Netherlands.
Bipolar Disorders
|February 25, 2023
Summary
The Manic Thought Inventory (MTI) is a new self-report tool developed for patients with bipolar disorder (BD). It effectively assesses manic cognitions and shows good psychometric properties for clinical use.
Area of Science:
- Psychiatry
- Psychometrics
- Mental Health Assessment
Background:
- Bipolar disorder (BD) management requires accurate assessment of manic cognitions.
- Existing tools may not fully capture the patient's subjective experience of (hypo)manic thoughts.
Purpose of the Study:
- To develop and psychometrically evaluate the Manic Thought Inventory (MTI).
- To create a patient-driven self-report measure for typical (hypo)manic cognitions in bipolar disorder.
Main Methods:
- Item generation by patients with BD type I and expert review.
- Exploratory and confirmatory factor analysis in independent BD type I samples (N=452).
- Assessment of internal consistency, convergent, and divergent validity.
Main Results:
- A 47-item MTI with excellent internal consistency (α=0.97) was developed.
- The MTI demonstrated a unidimensional structure, confirming its underlying construct.
- The MTI showed significant correlations with mania measures and no correlation with depression measures.
Conclusions:
- The Manic Thought Inventory (MTI) exhibits strong psychometric properties.
- The MTI is suitable for research and clinical practice in assessing (hypo)manic cognitions.
- The MTI can enhance psychological interventions for bipolar disorder by aiding in monitoring and challenging specific cognitions.
Keywords:
Manic Thought Inventorybipolar disordermaniamanic episodemanic thoughtspsychological interventionsquestionnaireMore Related Videos
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