Journal of ISSN: 2373-6445JPCPY

Psychology & Clinical Psychiatry
Research Article
Volume 4 Issue 5 - 2015
Dysfunctional Metacogntive Beliefs in Body Dysmorphic Disorder
Zahra Zeinodini*, Sahar Sedighi, Mandana Baghertork Rahimi, Simasadat Noorbakhsh and Sepideh Rajezi Esfahani
Shahid Beheshti University, Iran
Received: April 09, 2015 | Published: December 29, 2015
*Corresponding author: : Zahra Zeinodini, Behavioral Sciences Research Center of Shahid Beheshti University of Medical Sciences, Tehran, Iran, Tel/Fax: +982177553047; Email:
Citation: Zeinodini Z, Sedighi S, Rahimi MB, Esfahani SR (2015) Dysfunctional Metacogntive Beliefs in Body Dysmorphic Disorder. J Psychol Clin Psychiatry 4(5): 00233. DOI: 10.15406/jpcpy.2015.04.00233


The present study aims to examine the correlation of body dysmorphic disorder, with metacognitive subscales, metaworry and thought-fusion. The study was conducted in a correlation framework. Sample included 155 high school students in Isfahan, Iran in 2013-2014, through convenience sampling. To gather data about BDD, Yale-Brown Obsessive Compulsive Scale Modified for BDD was applied. Then, Meta Cognitive Questionnaire, Metaworry Questionnaire, and Thought-Fusion Inventory were used to assess metacognitive subscales, metaworry and thought-fusion. Data obtained from this study were analyzed using Pearson correlation and multiple regressions in SPSS 18. Result indicated YBOCS-BDD scores had a significant correlation with scores from MCQ (P<0.05), MWG (P<0.05), and TFI (P<0.05). Also, multiple regressions were run to predict YBOCS from TFI, MWQ, and MCQ-30. These variables significantly predicted YBOCS [F (3,151) =32.393, R2=0.57]. Findings indicated that body dysmorphic disorder was significantly related to metacognitive subscales, metaworry, and thought fusion in high school students in Isfahan.

Keywords: Body dysmorphic disorder; Cognitive Therapy; Cognition; Adolescent


BDD: Body Dysmorphic Disorder; S-REF: Self-Regulatory Executive Function; PLS: Plain Language Statements; YBOCS: Yale Brown Obsessive Compulsive Scale; TFI: Thought-Fusion Instrument; MCQ: Metacognition Questionnaire; MWQ: Metaworry Questionnaire; SPSS: Statistical Package for Social Sciences


Known as dysmorphophobia, Body Dysmorphic Disorder (BDD) is a mental health problem which is chronic and disabling, known by a preoccupation with an unreal deformity in appearance. BDD is characterized by problematic disruptions in self-esteem, time-consuming repetitive actions and avoidance (e.g., of social interactions, mirrors, lights), typically starts in adolescence and has a mean age of onset at 16 years and mode of 13 years [1]. The overall point prevalence in general population, equally in both genders, is 0.7-2.4% [2], and rates were higher in patients with social phobia and obsessive-compulsive disorder [3].

One route to a deeper understanding of the processes underlying the psychopathology of BDD is through examining the cognitive mechanisms involved in the knowledge, interpretation, and regulation of thinking itself. These mechanisms comprise the domain of ‘metacognition’ or thinking about thinking [4]. The dominant theory regarding the role of metacognition in psychopathology is self-regulatory executive function (S-REF) theory [4], which identifies two basic components of metacognition: knowledge and regulation. According to the theory, metacognitive knowledge consists of the beliefs an individual holds about the course and consequences of cognitive enterprises. This knowledge may be accurate or inaccurate, explicit or implicit, and can be triggered unintentionally by retrieval cues [5]. Metacognitive regulation involves executive functions such as planning, resource allocation, monitoring, and correcting of cognitive events. In S-REF theory, psychological disorder is associated with dysfunction of this system, such that the regulation and knowledge processes become maladaptive [3,4].

One of the fundamental phenomena metacognitive modeling is thought fusion in which metacognitive beliefs eliminate the borders between thought, incidents and acts [6]. On the other hand, worry as a key part of distress has been described as a chain of thoughts and images, negatively affect-laden and relatively uncontrollable thoughts related to possible threatening outcomes and their potential consequences [7]. Worry is widespread both in people with disorders or those without, which varies in degree existing among people rather than the quality of its existence. Uncontrollability of worry might cause drastic interference and distress in daily life; in addition, metaworry are considered as problematic components of metacognition. Also, worry can become the focus of anxious apprehension. Studies by Cooper and Osman [7] showed that people with BDD were completely different in metacognitive state and body image from those without, in thought that they were unattractive, ugly, inferior, and worthless. Metacognitive control strategies, defined as those strategies used to control the cognitive system, are not only likely to strengthen or suppress mental strategies but they may also increase monitoring processes.

Cross-sectional and directional relationships between maladaptive metacognition and a wide range of psychological dysfunctions have been extensively demonstrated. These include depression [4], GAD [3], PTSD [8], obsessive-compulsive disorder, eating disorders [9], and psychosis [10]. If S-REF theory is correct in identifying dysfunctional metacognition as a generic vulnerability factor underlying psychopathology, this should hold true for BDD. If metacognitive factors prove important in BDD, this would invite the application of MCT to its treatment. The present research aims to investigate the relationships between dysfunctional metacognition and body dysmorphic disorder.


The present research, which was conducted within a correlation framework, examined the relationships between dysfunctional metacognitive variables and body dysmorphic disorder. Population included all male and female students who studied in high school in 2010-2011 in Isfahan, Iran.


Current study is a correlation study. To determine the sample size, the Cochran’s sample size formula for correlation study was used: in which T=1.96, p=0.5, q=0.5, and d=0.11. The minimum sample size needed to obtain statistically valid results was 79, and we reduplicated samples to obtain higher validity. Research sample included 155 adolescents students aged between 12 and 17 years who were selected through convenient sampling from three high schools, which are governmental educational center in Isfahan (2013-2014). Individuals above the age of 17 years or below the age of 12 years were not considered, as their prevalence in the BDD population is small to allow meaningful statistical analysis. Students who were too medically or psychologically compromised to give informed consent were not considered. Since less information is available about rates of body Dysmorphic disorder in addition to the fact that they are more linked to dermatologists and plastic surgeons rather than psychiatrists or psychologists [2], the current research focused mainly on students in high school. Inclusion and Exclusion criteria are presented in Table 1. According to exclusion criteria, 28 participants excluded.


Participants were approached by the researchers, who explained the project, provided plain language statements (PLS), and answered queries. Students were assured that their decision regarding participation would not affect anything at school. Those who agreed to participate signed a consent form and were given a questionnaire set to return later in a sealed envelope to the researchers. To protect anonymity, the researchers did not view questionnaires completed by their own acquaintances. All participants received an ID enabling them to withdraw their information should they change their mind about participating. Completion of the questionnaire set required approximately 40 minutes. All of the tests conducted by school psychologist in a office one by one.


All participants were assessed by Yale Brown Obsessive Compulsive Scale Modified for BDD to find out whether they have BDD. Thought-Fusion Instrument and Short Form of the Metacognition Questionnaire have also been used to investigate their dysfunctional Metacognition.

Yale brown obsessive compulsive scale modified for BDD: YBOCS-BDD is a 12-item questionnaire, rated by a clinician. It has questions on preoccupations (5), compulsive behaviors (5), insight (1), and avoidance (1). Mostly, it was developed as a measure of severity of BDD symptoms. Each item is scored in 5-point Likert’s scale from 0 (totally agree) to 4 (totally disagree). Philips et al. [11] have confirmed the reliability of YBOCS-BDD through interrater and test-retest. YBOCS-BDD was reported to have positive correlation (r=0.51) with Global Assessment of Functioning in DSM. Rabiei et al. [12] examined the factor structure, validity and reliability of the Modified Yale-Brown Obsessive-Compulsive Scale in a sample of Iranian students. They found that YBOCS-BDD had satisfactory reliability and validity in the sample of Iranian students, and could therefore be used for diagnostic and therapeutic purposes [12].

Thought-fusion instrument (TFI): TFI consists of 14 items rated on a 0 to 100 scale which assess metacognitive beliefs about the meaning, importance, and peril of intrusive thoughts. It was designed to measure the three types of thought fusions: Thought-Action Fusion, Thought-Event Fusion and Thought-Object Fusion. Gwilliam et al. [13] obtained acceptable reliability and preliminary evidence supports its convergent and discriminate validity. Also, other studies have showed the correlation from 0.4 to 0.7 between TFI and metacognitive beliefs instrument and thought action fusion [14]. Khoramdel et al. [15] have reported satisfactory reliability and validity in Iranian students population which can be used for diagnosis and treatment [15].

A short form of the metacognition questionnaire (MCQ-30): it has 30 multiple choice items which are in a range of totally disagree (1 point), partially agree (2 points), mildly agree (3 points) and totally agree (4 points). MCQ measures five components including 1) cognitive confidence, 2) positive beliefs about worry, 3) cognitive self-consciousness, 4) negative beliefs about thoughts and danger which are out of control, and 5) beliefs about demand to control thoughts [16]. The Cronbach’s alpha coefficient for all questions was reported in a range of 0.72 to 0.93, and the test-retest reliability coefficient of the Short From of the Metacognition Questionnaire was reported 0.73 [16]. It also demonstrated acceptable psychometric properties in Iranian population [17].

Metaworry questionnaire (MWQ): The questionnaire has 7 items which measures worry and metacognition. For each item, it has two scales. One to assess the frequency of meta-worry which is a Likert’s scale ranging from 1–4 with each point labeled as follows: Never; sometimes; often; almost always. The other is used to rate the belief in each meta-worry at its time of occurrence and range from 0–100 with anchor points labeled at each extreme as follows: I do not believe this thought at all, and I am completely convinced this thought is true [18]. It has very good internal reliability, and the scales correlated meaningfully with existing measures. There was considerable overlap between themes in metaworry in the uncontrollability and danger domains. Cronbach’s alpha coefficients of the MWQ were 0.88 for the frequency scale and 0.95 for the belief scale. The meritorious and marvelous criteria were respectively satisfying the MWQ frequency subscale (0.87), and the belief subscale (0.93). The variables were inter-correlated because Bartlett’s test statistic (p<0.0005) was highly significant for both the frequency and belief variables. MWQ scales were positively correlated with AnTI metaworry subscale, negative beliefs about worry measured with the MCQ social worry, health worry, and positive worry beliefs. Males and females were found not to differ significantly on each of the subscales [18].

Ethical aspects

The Study was approved by the Ethical Review Board of the Behavioral Sciences Research Center of Shahid Beheshti University of Medical Sciences, Tehran, Iran (1393-1-102-1356-1, 10. Feb. 2013). Informed consent forms were obtained from all participants. Before starting the study, in a formal session in school, the participants and their parents were provided with a general overview of the goals and aspects of the study. They were also being informed that they were being participating voluntarily, and that they can leave the study at any time without any negative consequences. The results were used anonymously and all of the data were kept secret in this study.

Statistical analysis

Analyses were performed using the Statistical Package for Social Sciences (SPSS) version 18. Both descriptive and inferential statistics had been used to find the possible correlation between BDD and dysfunctional metacognition. Data obtained from this study were analyzed using Pearson correlation and multiple regressions.

Inclusion Criteria

Exclusion Criteria

Having an age range of 12-17

Receiving pharmacotherapy or psychotherapy

Satisfaction to participation

Having psychosis or schizophrenia

Written informed consent form

Having personality disorders

Not willingness to participate

Table 1: Inclusion and exclusion criteria.


In Table 2, demographic information of participants is presented. Table 3 shows the Pearson correlation matrix of YBOCS-BDD with MCQ-30, MWQ, and TFI.


Levels of Variables










History of Hospitalization







History of academic Failure







Father’s Education







Post grad



Mother’s Education







Post grad



Table 2: Demographic characteristics of participants.

As shown in Table 3, the students’ scores in all dysfunctional metacognition components are related to the body dysmorphic disorder significantly. In other words, YBOCS-BDD scores demonstrated a significant relationship with MCQ (r=0.39, P<0.05), MWQ (r=0.42, P<0.05), and TFI (r=0.35, P<0.05).


























Table 3:Correlation matrix among meta cognitive components, thought confusion, meta worry and body dimorphic disorder.

Tables 4 & 5 present the results of multiple regressions to predict YBOCS from TFI, MWQ and MCQ-30 scores. As shown in Table 5, a multiple regressions was run to predict YBOCS from TFI, MWQ, and MCQ-30. These variables statistically significantly predicted YBOCS [F (3,151) =32.393, p< 0.0005, R2=0.577]. All variables added statistically significantly to the prediction (p<0.05).


Sum of Squares


Mean Square


P value







0 .000b








  1. Dependent Variable: YBOCS
  2. Predictors: (Constant), TFI, MWQ, MCQ-30


Unstandardized Coefficients

Standardized Coefficients


P value

95.0% Confidence Interval for B


Std. Error







































Table 4&5: a) The results of multiple regressions for tfi, mwq, and mcq-30 in high school students. a) Dependent Variable: YBOCS; p<0.05


The present research aimed to examine the relationship between dysfunctional metacognition with body dysmorphic disorder (BDD). Findings showed that BDD has a significant positive relationship with thought fusion, metaworry, and dysfunctional metacognition, which is consistent with previous studies [7,9,19-22].
BDD patients are engaged in dysfunctional metacognition about their body appearance [7]. The metacognition components of body dysmorphic disorder include the strategies for metacognitive controlling such as suppressing thoughts about being ugly, worries about dysmorphic, rumination avoiding, reassurance seeking or excessive grooming [7]. According to Veale et al. [22], in BDDs, metacognition is a noticeable issue in information processing, and it possibly aids maintenance of symptoms. Considering the relationships between metacognitive components and body dysmorphic disorder, it is worth of notice that the scores of components could successfully predict the disorder [5,9,23].

The demonstrated importance of dysfunctional metacognition in BDD illuminates a possible mechanism for the inefficacy of CBT in its treatment [21]. By focusing exclusively on the content of thoughts, CBT neglects the crucial role played by cognitive processes underlying these thoughts. S-REF theory contends that these metacognition generate the problematic thought content challenged in CBT; consequently, merely modifying that content without addressing its underlying source is unlikely to prove effective in the long term. To overcome this limitation, Wells [4] developed metacognitive therapy, which aims to decrease dysfunctional metacognitive beliefs and strategies and teach the individual new ways of consciously experiencing cognitive events. Given its demonstrated effectiveness in several psychological disorders [4], the present results suggest that metacognitive therapy may hold great therapeutic potential for BDD.

The current study is one of the first to demonstrate that metacognitive dysfunction may play a key role in BDD. A deeper understanding of these processes can inform theory and treatment of BDD, thereby improving the lives of sufferers and potentially protecting others from developing this devastating disorder.

This study had some limitations including the fact that the groups were not homogeneous, the age and education level of applicants were not various enough and interview, due to expensive implementation costs, was not employed as an instrument in selecting applicants. It is suggested that a parallel study should be conducted for the applicants with different age and education level in homogenous groups.

The findings should be interpreted in the context of certain methodological limitations which should be addressed in future research. First, the cross-sectional design precludes causal conclusions. Longitudinal studies of the relationships between metacognition and BDD symptoms, as well as experimental manipulations of these variables, using clinical and nonclinical populations, may provide evidence of causality. Second, the relatively small sample limits generalizability; a large, multi-site study should be established to determine if these findings are replicable. To substantiate the specificity of the results to BDD, a psychiatric control group should be included. Furthermore, as self-report measures are intrinsically prone to idiosyncratic interpretation and demand characteristics, response authenticity should be strengthened by use of implicit measures and interviews. Finally, future studies should control for depression, anxiety and other psychological disorders that might affect metacognition.


In conclusion, findings indicated that body dysmorphic disorder was significantly related to metacognitive subscales, metaworry, and thought fusion in high school students in Isfahan, which is in line with previous studies.


We want to thank all the participants who made this study possible.


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