The conviction of delusional beliefs scale: Reliability and validity

Combs, Dennis R.; Adams, Scott; Michael, Christopher O.; Penn, David L.; Basso, Michael R.; Gouvier, Wm. Drew

doi:10.1016/j.schres.2006.06.023

Cited by 15 publications

(5 citation statements)

References 37 publications

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“…Beliefs are treated as multifactorial, which in combination with how they are used helps researchers to develop measurement tools of belief conviction (Abelson, 1988). Items examine strength of beliefs, length of time the beliefs have been held, frequency of thoughts, personal importance of the beliefs, and personal concern in the beliefs, as well as willingness to commit personal time in pursuit of those beliefs (e.g., Conviction in Delusional Beliefs Scale, Combs et al, 2006; Brown Assessment of Beliefs Scale, Eisen et al, 1988). Work has demonstrated that combining these into metrics of conviction can be useful predictors of individual differences in the durability of attitudes and beliefs over time, whether they are false or true beliefs (Lecci, 2000).…”

Section: Discussionmentioning

confidence: 99%

“…Consequently, future investigations could draw from established methods examining belief conviction (especially of false beliefs) and choice blindness (Hall et al, 2013). In the clinical domain, work has shown how individual differences account for strength in maintaining false and delusional beliefs in light of contrary evidence (e.g., Combs et al, 2006). This is informed by deconstructing measures of beliefs to examine the association between the belief and conviction in it.…”

Section: Approaches To Investigating Causal Links Between Misinformat...mentioning

confidence: 99%

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(Why) Is Misinformation a Problem?

Adams

Osman

Bechlivanidis

et al. 2023

Perspect Psychol Sci

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In the last decade there has been a proliferation of research on misinformation. One important aspect of this work that receives less attention than it should is exactly why misinformation is a problem. To adequately address this question, we must first look to its speculated causes and effects. We examined different disciplines (computer science, economics, history, information science, journalism, law, media, politics, philosophy, psychology, sociology) that investigate misinformation. The consensus view points to advancements in information technology (e.g., the Internet, social media) as a main cause of the proliferation and increasing impact of misinformation, with a variety of illustrations of the effects. We critically analyzed both issues. As to the effects, misbehaviors are not yet reliably demonstrated empirically to be the outcome of misinformation; correlation as causation may have a hand in that perception. As to the cause, advancements in information technologies enable, as well as reveal, multitudes of interactions that represent significant deviations from ground truths through people’s new way of knowing (intersubjectivity). This, we argue, is illusionary when understood in light of historical epistemology. Both doubts we raise are used to consider the cost to established norms of liberal democracy that come from efforts to target the problem of misinformation.

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Section: Discussionmentioning

confidence: 99%

Section: Approaches To Investigating Causal Links Between Misinformat...mentioning

confidence: 99%

(Why) Is Misinformation a Problem?

Adams

Osman

Bechlivanidis

et al. 2023

Perspect Psychol Sci

View full text Add to dashboard Cite

show abstract

“…Conviction of Delusional Beliefs Scale (CDBS; Combs et al, 2006). The CDBS is a specific measure to assess conviction in delusions and comprises nine items ref lecting emotional, cognitive and behavioural aspects of conviction.…”

Section: Resultsmentioning

confidence: 99%

Assessing delusional ideation: A narrative review of self-report instruments

et al. 2017

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According to recent models of recovery in psychosis, the patients’ perspectives about their own difficulties, symptoms and goals (health-related and in other areas) are of major importance in intervention. Self-report measures have been increasingly studied and several authors have pointed out their validity, reliability and clinical utility in people with psychotic-disorders. The present study sought to review and critically analyse the available self-report instruments for assessing delusions. Four instruments met the inclusion criteria: Characteristics of Delusions Rating Scale; Beliefs Rating Scale; Peters Delusions Inventory; and Conviction of Delusional Beliefs Scale. All scales assess delusions in a multidimensional perspective and present adequate psychometric properties, although with high variability within studies. Refining the psychometric studies of the existing instruments (mainly confirmatory factor analysis, reliability and diagnostic accuracy analyses) and developing new instruments focused on coping are future areas of research interest.

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“…Phenomenological research has distinguished four main domains to describe belief intensity: action (linked with some behaviours), distress (related to negative affects such as depression or anxiety), preoccupation (how often the belief is focused on) and conviction (how strongly the belief is held). The latter, has probably received the greater attention due to its usefulness in distinguishing an overvalued idea from a delusion 28 . For instance, delusions in AN would be dissimilar to those in schizophrenia because AN patients would show higher levels of preoccupation and distress explained by a greater degree of insight 29 .…”

Section: Phenomenology Of Delusions In Anorexia Nervosamentioning

confidence: 99%

The delusional dimension of anorexia nervosa: phenomenological, neurobiological and clinical perspectives

Behar

Arancibia

Gaete

et al. 2018

Arch. Clin. Psychiatry (São Paulo)

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Background: Delusional characteristics have been largely ignored in patients suffering from anorexia nervosa (AN). Objectives: To review the literature on delusional features in AN from phenomenological, neurobiological, and clinical viewpoints. Methods: Data were obtained through searches of Medline, PubMed, SciELO and Cochrane Library. Results: Distorted beliefs in AN may range from an overvalued idea to an overt delusion, involving affective, personality and/or psychotic disorders. Studies confirm alterations in monoaminergic systems. It has also been seen a decreased integration of visual/proprioceptive information, and alterations in neural networks involved in body processing. It is known that body image distortion may present "delusional proportions" as a consequence of great concern about body. Concomitantly, "embodied defence hypothesis" has been proposed. Restrictive AN exhibits higher levels of delusionality, and a particular delusional type of AN has been suggested, associated with a worse long-term outcome. Low doses of atypical antipsychotics are recommended combined with cognitive techniques. Discussion: Delusional thinking in AN is likely a dynamic and dimensional phenomenon that can vary, both in nature and/or severity, whereas high insight levels, before and after refeeding, result in positive outcomes. Neurobiological research on this topic must be encouraged, since clinical and phenomenological approaches are comparatively more frequently reported.

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The conviction of delusional beliefs scale: Reliability and validity

Cited by 15 publications

References 37 publications

(Why) Is Misinformation a Problem?

(Why) Is Misinformation a Problem?

Assessing delusional ideation: A narrative review of self-report instruments

The delusional dimension of anorexia nervosa: phenomenological, neurobiological and clinical perspectives

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