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Development and validation of The Breaking Bad News Attitudes Scale



Communication of bad news plays a critical role in the physician-patient relationship, and a variety of consensus guidelines have been developed to this purpose, including the SPIKES protocol. However, little is known about physicians’ attitudes towards breaking bad news and to be trained to deliver it. This study aimed to develop and validate a self-report questionnaire to assess physicians’ attitudes towards principles of the SPIKES protocol and training on them.


The Breaking Bad News Attitudes Scale (BBNAS) was administered to 484 pediatricians and 79 medical students, recruited at two scientific conferences and two medical schools in Brazil. The questionnaire structural validity, reliability, and associations with other variables were tested.


The BBNAS showed adequate validity and good reliability, with two factors measuring attitudes towards the SPIKES strategy for braking bad news (α = 0.81) and the possibility to be trained on it (α = 0.77), respectively.


The novel questionnaire is a psychometrically sound measure that provides information on physicians’ agreement with the SPIKES protocol. The BBNAS can provide useful information for planning training and continuing education programs for clinicians on communication of bad news using the SPIKES as a framework.

Peer Review reports


In the context of medical communication, bad news has been seen as any information that negatively and seriously alters the patient’s view of his or her future, even if temporarily [1]. Bad news not only refers to death [2] but also to diagnoses that impose changes in the patient’ life [3]. Breaking bad news (BBN) is an important part of every physician’s clinical practice, but it might be a burden for both the patient and the physician, with difficulties in this communication negatively affecting both of them. Performed improperly, BBN can lead to patient’s stress, anxiety, and misunderstanding of diagnosis, treatment, and prognosis, resulting in less favorable outcomes overall [4, 5]. Further, physicians’ psychophysiological stress reaction in medical communication of bad news can lead to an increase in their anxiety, burnout, and alienation from the situation and the patient [6]. However, grief also can result in burnout and decreased mental health, what may lead to an erroneous interpretation of grief as stress, anxiety or depression [7].

BBN is even more critical in pediatrics, as the patient is not the recipient of the communication nor is able to understand the information given and its consequences [8]. Besides, misunderstandings might derive from the fact that parents never expect a child not to be healthy [9]. Empathic and effective communication with the family is, therefore, essential in pediatrics since the family has an influence on the clinicians’ actions and their relationship with the patient [10, 11]. Moreover, pediatricians are highly involved with the patient’s family, and the care for children in life-threatening circumstances is more likely to cause impairments in the mental health condition of the physician and health care professionals [7].

In recent years, a variety of consensus guidelines for communicating bad news to patients have been published [11,12,13,14,15]. One of the most used protocol for delivering bad news is the SPIKES, [16] a six-step strategy that facilitates the information flow and addresses the patient’s distress. Although the SPIKES protocol has been developed by oncologists to delivering bad news to cancer patients [17], it has been considered appropriate and used in other health care areas as well [18, 19].

Several studies have shown the beneficial effects of implementing a guidance on how to systematize breaking bad news in enhancing physicians’ self-confidence and abilities and reducing anxiety concerning BBN [20,21,22]. Protocols and guidelines such as the SPIKES seem to be crucial tools for the proper delivering of bad news [20], and the specific choice for the SPIKES as model is due to the fact that it is the most widely cited [23], and the one that provide a framework that improve skill acquisition for bad news communication (BNC) [24]. However, their implementation is a work in progress in curricula of medical courses and continuing medical education [25, 26], and many gaps have been addressed in how clinicians are prepared to have difficult conversations [27,28,29,30]. Indeed, although the SPIKES protocol has been rated as highly acceptable by patients, there is a mismatch between the doctors’ and patients’ views with how clinicians facilitated the diagnostic discussion, and also the patients’ perception is much varied [31].

Although the controversy over whether it is possible to develop BBN abilities [32], several studies have reported that training medical students and clinicians can have positive effects on their interest in acquiring the desired skills [2, 23, 33]. Attitudes towards properly communicating bad news and the possibility to be trained on desirable skills by medical students and physicians are preliminary steps to develop appropriate medical courses that can effectively change their behavior [34]. However, physicians’ attitudes towards breaking bad news and learning of the related skills has not been thoroughly investigated.

Despite the fact that other tools were developed in order to assess medical communication [35, 36], content knowledge regarding protocols for BNC [37, 38], and other protocols for BNC [13, 14], the tool herein proposed is oriented to assess the physician’s attitudes regarding the principles of the SPIKES protocol and the promptness to training the BNC skills, more than communication skills in general. In this study attitude differs from the observed behavior. Here we consider attitude as the interrelation between beliefs, feelings and behaviors, also considering the conative dimension of attitude, that is, the tendency to act in a determined way [39]. In this way, the instrument proposed aims to verify this behavioral tendency, regarding the assent or not to possible behaviors.

Finally, the choice for pediatricians as the main professional was because the characteristics and particularities of BNC for this audience is difficult in many ways, because it is a “person-oriented” specialty [40] and are reported to have deeper involvement with patients and families [41]. Thus, in this study were involved especially pediatricians besides medical students, despite the tool is not proposed exclusively for pediatrics. The present study aimed to develop and validate a psychometric scale for evaluating clinicians’ attitudes towards delivering bad news according to the principles underlying the SPIKES protocol and the training to learn the desired skills.


Participants and data collection

The sample size was defined through a minimum of 10 participants per item and 100 per factor for exploratory factor analysis (EFA) and a sufficient number of cases to run confirmatory factor analysis (CFA) and for the CFA model to converge without improper solutions [42].

Data collection was carried out between November 2018 and June 2019, mainly at two national pediatric conferences and two medical schools in southeast and northeast of Brazil. Regarding the curricula in Brazil, the medical schools have five to 6 years in duration, and student will have supervised and restricted contact with patients during the internship in the fourth year and on, without prior involvement with patients [43]. It was offered to the participants the possibility of a paper-and-pencil questionnaire or a QR code link for online participation. Those who adhered to the paper-and-pencil represented 18.3% of the sample, with a participation rate of 46.22% of the contacted clinicians and students. Data were transferred from paper to password-protected electronic devices only accessible to the authors. The online data collection was performed via electronic platform (SurveyMonkey®), which do not allow for multiple responses, was anonymous, and no personal information was obtained. Participants were also asked to share the link of the questionnaire to their personal contacts. All participants were volunteers, and no compensation was provided, according to Brazilian laws. Only questionnaires that were fully completed were considered for this study, exempting the need of handling missing data. Inclusion criteria were being a medical student or a physician and 18 years of age or older.

Items generation

The questionnaire was developed and applied in Brazilian Portuguese. The items of the self-report Braking Bad News Attitude Scale (BBNAS) were generated a priori to evaluate two attitudes among clinicians: their level of agreement with the strategy recommended in the SPIKES protocol [16] to properly communicating bad news, and their agreement with the possibility to be trained to learn the desired skills. Accordingly, there are several attitudes in terms of a favorable or unfavorable relationship with an object, which can indicate positive or negative measures [44]. From this, we proposed an agreement/disagreement scale in view of the possibility of behaviors encouraged by SPIKES or training. Thus, the proposed instrument does not measure whether the individual actually performs a certain behavior (eg, “I encourage the patient to express their feelings and clarify their doubts”), but rather their relationship with that possible behavior (eg, how much the individual agrees to behave by encouraging the patient to express their feelings and clarify their doubts). The same occurs in the second domain of the “BBN training” domain (eg, degree of agreement, favorable position or not in relation to communication behaviors and the possibility of training them).

An initial pool of 15 items was generated by researchers and clinicians referring to the two dimensions described above with the main content taken from the SPIKES protocol. The SPIKES goal is to enable the clinician to fulfill the four most important objectives of the interview for disclosing bad news. These objectives include gathering information from the patient, providing medical information to the patient, offering him or her support, and eliciting the patient’s collaboration in developing a treatment plan. The name SPIKES is the acronym describing the six consecutive steps of a BBN conversation. Setting up (S) describes the process of preparing for the talk; Perception (P) is the parts in which the physician determines the patient’s perception of the situation; Invitation (I) refers to the invitation of the patient to receive the news; Knowledge (K) is the information breakout; Emotions (E) refer to the proper way of responding to patient’s emotions. Finally, Strategy and Summary (S) aim to ascertain whether the patient has adequately understood the situation and the treatment plan [16].

The 15 generated items were piloted among 30 residents. They were asked to evaluate the clarity of instructions and items, relevance, and appropriateness of items content in relation to the SPIKES protocol. The participants’ feedback was mostly related to the instructions and phrasing, and few suggestions regarding the conceptual correctness of the content were given in person. This final version was used in the present validation study.


Participants responded to a survey containing a sociodemographic part including age, sex, and pediatrician or medical student position, the Breaking Bad News Attitude Scale (BBNAS), the Jefferson Scale of Physician Empathy (JSPE), and three questions to self-assess the participants’ BBN skills.

The BBNAS is the newly developed 15-item scale. Respondents are asked to rate how much they agreed with each statement using a 5-point scale from 0 (strongly disagree) to 4 (strongly agree). The BBNAS items are reported in detail (Additional file 1). A BBNAS score calculator is available as a spreadsheet (Additional file 2).

The JSPE [45] is a measure of the orientation of medical students and professionals toward empathy in patient-care situations. Items (e.g., “A physician who can view things from another person’s perspective can render better care”) are answered on a 7-point scale ranging from 1 (strongly disagree) to 7 (strongly agree). The Brazilian version [46] has 20 items referring to compassionate care (11 items), perspective taking, (2 items), and standing in the patient’s shoe (7 items). In this study a total summative score was calculated with Cronbach’s alpha of 0.76.

Three additional ad-hoc questions were used to assess how participants self-rated their BBN skills using a scale between 1 (poor) to 10 (excellent). Questions refer to three aspects of BBN: skills in conveying bad news, skills in dealing with emotions of the patient who received bad news, and ability to comfort the patient when informed about bad news.

Data analysis

The 15 items of the BBNAS were preliminary evaluated for adequacy of skewness and kurtosis of residuals (between − 1 and + 1), and for discrimination power (D > 0.30).

A subsample of 200 participants was randomly extracted from the whole sample to run EFA, while the remaining 363 participants were used to run CFA. Random extraction of samples was generated by the SPSS command.

For the EFA, the factorability of the data was preliminary evaluated using the Kaiser-Meyer-Olkin test (KMO > 0.50), the Bartlett test of sphericity (p < 0.05), and the value of the matrix determinant (> 0.00001). The EFA extraction method was principal axis factoring, which is robust to violation of multivariate normality, with a direct Oblimin rotation with Kaiser normalization to allow for correlations between factors. The number of factors to be retained was determined by comparison between the initial and random eigenvalues calculated by parallel analysis (PA) with 500 replications. Criteria for inclusion of each item were primary factor loading >|0.30|, and meaningful and useful contribution to the target factor [47, 48].

The CFA intended to confirm the structure identified by the EFA with the maximum likelihood robust (MLR) estimator. The model fit was evaluated by chi-square (χ2 p < 0.05), CMIN discrepancy value < 3, Root Mean Square Error of Approximation (RMSEA) with 90% confidence interval (CI) between 0.05 and 0.08, Standardized Root Mean Square Residual (SRMR) < 0.08, and Comparative Fit Index (CFI) > 0.90. Akaike (AIC) and Sample-size adjusted Bayesian (SSABIC) comparative indices were also used to compare two different models estimates with lower values indicating a better fit. The difference of competitive models was calculated with the exact Satorra-Bentler difference test statistic (S-B χ2, p < 0.05) [49, 50].

Reliability was assessed as internal consistency with Cronbach’s alpha (≥0.70) and the composite reliability coefficient (CR) (≥0.80) [51].

Pearson’s correlation coefficient was used to correlate the BBNAS scores with age, the JSPE score, and the three questions used to self-assess BBN abilities. Analysis of variance (ANOVA) was used for differences across sexes and between pediatricians and medical students in the BBNAS scores [51]. The score obtained for each factor of the BBNAS was also transformed into percentage of agreement with the item statements, and results were interpreted based on tertiles.

Significance level was set at p < 0.05. Statistical analyses were performed with Mplus 8.3.


Participant characteristics

A total of 563 participants completed the survey. Women were 78.5% (n = 442) and men were 21.5% (n = 121); pediatricians were 86% (n = 484) and medical students were 14% (n = 79). The mean age was 40.68 (SD = 13.36), ranging from 18 to 81 years. Most participants (58.1%, n = 327) were from the north or north-east regions of Brazil, 35.7% (n = 201) were from the south or southeast regions, while only 6.2% (n = 35) were from the western regions.

Preliminary item analysis

In the total sample (N = 563) the values of skewness (− 0.49 to 0.13) and kurtosis (− 0.33 to 0.58) of residuals for each item varied within the appropriate range. Discrimination power of the items was between 0.48 and 0.70, and thus, all items were retained for the subsequent factor analyses. Values of skewness, kurtosis, and discrimination power for each item are reported in Supplementary Table 1 (Additional file 3)

Exploratory factor analysis

Preliminary analyses on the first subsample of 200 participants indicated that the BBNAS data were suitable for EFA, showing a KMO value of 0.77, a Bartlett’s test value (χ2 = 675.10, DF = 105, p < 0.001), and a matrix determinant of 0.030, considered statistically significant.

Two factors corresponding to actual eigenvalues that were greater than the PA random eigenvalues were retained. See supplementary Table 2 (Additional file 4). From extraction of two factors a clear factor structure emerged (Table 1) explaining a total variance of 41.64%, with significant intercorrelation between factors (r = 0.52, p < 0.001). The first factor, explaining 34.08% of variance, included items 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and 13 and referred to the hypothesized dimension of attitude towards SPIKES strategy for BBN. The second factor, explaining 7.56% of variance, included items 11, 12, 14, and 15 and referred to the dimension of attitude towards BBN training. Reliability was considered good, with Cronbach’s alpha values of 0.85 (90% CI 0.82–0.88) for Factor 1 and 0.78 (90% CI 0.73–0.83) for Factor 2.

Table 1 Exploratory factor analysis of the BBNAS, items factor loadings

Confirmatory factor analysis

Two models were tested with CFA, both based on the two factors emerged from EFA. The first one was a two-uncorrelated-factors model, while the second one was a two-correlated-factors model. The first model showed the following indices: χ2 = 240.31, DF = 90, p < 0.001; CMIN = 2.67; RMSEA = 0.07 (90% CI 0.06–0.08), SRMR = 0.14; CFI = 0.84, AIC = 11,312.33, and SSABIC = 11,344.82. The second model showed the following indices: χ2 = 163.82, DF = 89, p < 0.001; CMIN = 1.84; RMSEA = 0.05 (90% CI 0.04–0.06), SRMR = 0.05; CFI = 0.92, AIC = 11,220.722, and SSABIC = 11,253.927. S-B χ2 difference of the two models was 105.81, DF = 1, p < 0.001. The second model was preferred since it showed a better fit than the first model (Fig. 1). All parameters are considered statistically significant for the analysis proposed.

Fig. 1
figure 1

Measurement model of the BBNAS with standardized parameters. Legend BBNAS – Breaking Bad News Attitudes Scale; BBN – breaking bad news

CFA confirmed a two-correlated-factor model for BBNAS, with Factor 1 named “SPIKES concordance” and Factor 2 named “BBN training”. Cronbach’s alpha was 0.81 (90% CI 0.77–0.83) for Factor 1, and 0.77 (90% CI 0.71–0.79) for Factor 2. CR was 0.87 for Factor 1, and 0.84 for Factor 2, considered good for this parameter.

Descriptive statistics and associations with other variables

In the total sample (N = 563), the BBNAS score range was 0–44 for SPIKES concordance, with a mean value of 35.01 (SD = 5.46), and 0–16 for BBN training, with a mean value of 13.62 (SD = 2.43). Means and standard deviations of the 15 items are shown in Supplementary Table 1 (Additional file 3).

For each BBNAS factor the score obtained was also transformed into percentage of agreement with the SPIKES strategy or the BBN training, respectively, and two cut-points were suggested based on tertiles. Percentages of 0–33% were interpreted as disagreement, of 34–66% as partial agreement, and over 66% as agreement. Correspondence between percentages and raw scores is shown in Supplementary Table 3 (Additional file 5).

The SPIKES concordance factor correlated significantly and positively with the JSPE total score and with the three self-rated BBN skills items. The BBN training factor correlated significantly and positively with the JSPE total score, significantly and negative with the first self-rated BBN skills item, and non-significantly with the other two BBN skills items (Table 2).

Table 2 Pearson’s correlations of the BBNAS scores with other measures

Age was not associated with the SPIKES concordance factor (r = 0.03, p = 0.50), while it was significantly and negatively associated with BBN training factor (r = − 0.19, p ≤ 0.001).

Association with sex showed that women scored significantly higher than men in the SPIKES concordance factor. Association with the physician/student position showed that students scored significantly higher than physicians in the BBN training factor (Table 3).

Table 3 Associations of BBNAS scores with sex and physician/student position


This study presents an instrument for assessing physicians’ agreement with the principles of the SPIKES protocol and with the possibility of being trained on BBN. Although patient’s preferences for BBN according to the SPIKES protocol has been recently measured [52], this is the first validation study of a measure of physicians’ attitudes towards the principles of the protocol.

The SPIKES protocol has been mainly discussed within the approach to oncology patients [16]. However, its principles and strategies for delivering bad news have been appropriately applied to other diseases such as the Down syndrome [53], child’s cleft lip [54], or cystic fibrosis [55]. We involved in this validation study pediatricians besides medical students, since there is evidence that bad news is frequently delivered inadequately, according to parents of pediatric patients [56].

It has been pointed out that the ability to communicate bad news may be affected by the setting as well as by the professionals’ psychological conditions and conceptions of what the procedure should be like [57]. We addressed the last issue by assessing how the participants considered BBN and the possibility to learn BBN skills.

The instrument developed in this study, named the Breaking Bad News Attitude Scale (BBNAS), showed good psychometric properties and appeared to be adequate to measure the attitudes of pediatricians and medical students regarding BBN. It is important to clarify that the BBNAS is not a tool for assessing knowledge of the SPIKES protocol, but it rather evaluates how much the physician/student agrees with the SPIKES values and principles, which have been recognized as essential for BBN. Clinicians might indeed have relevant knowledge about the protocol, but this does not necessarily reflect in their positive attitudes toward its implementation. On the other hand, the expectation was that a professional/student who agrees with the protocol could be potentially more receptive to adopt it. Indeed, the proposed instrument was able to measure the attitude towards training behaviors of giving bad news, considering the relationship that the individual has with the need to improve communication and receive training. The high score in this domain indicates that the participants positively consider the possibility of participating in training for this skill. Such availability is important, as it can identify a guiding line for training, as guide the design of training interventions promoting the ability to learn. Thus, training can be the way to provide better results in the development of skills [58, 59], specifically those related to communicating bad news.

It was expected that the score obtained in the SPIKES concordance factor indicated how much the practitioner agrees with the protocol, regardless of considering the desired skills as learnable. The non-overlap between the two BBNAS factors, although significantly intercorrelated, seems to confirm this expectation. Agreement with the SPIKES principles was also expected to be linked but distinguishable from self-perceived skills to delivery bad news. Indeed, the associations found in this study between these dimensions were significant but of small magnitude. Conversely, a small negative association was found between self-perceived BBN skills and a positive attitude towards BBN training, as we could reasonably expect. This seems to converge with data that showed that more experienced trainees are more likely to avoid bad news communication with patients [7].

Another expectation was that a positive attitude towards the SPIKES strategy would be associated with individual psychological characteristics such as empathy [20, 23], which has been also considered as an aspect of patient centered care [60]. Significant positive correlations of the BBNAS with the JSPE confirmed this aspect. Regarding the larger agreement of females with the principles of the SPIKES protocol, compared to males, it could be related to the general females’ higher empathy in the clinical setting [40], but this difference should be investigated more in depth and confirmed in future studies.

The agreement with the possibility to be trained in BBN is a critical point that has been measured by the BBNAS. As we could expect, medical students were more likely to consider BBN training than physicians. This result is consistent with a recent study [25] where doctors with more of 10 or 20 years of experience since graduation perceived themselves as better qualified to provide bad news than their younger colleagues. It is also reported that previous personal experiences may affect the attitudes regarding physician-patient communication [61].

The need for educational interventions, training, and identification of skills required for BBN has been frequently pointed out [e.g., [25]]. Several strategies have been proposed, and difficulties in evaluating these abilities have been acknowledged. Indeed, a recent meta-analysis showed that a variety of effective training in BBN had been introduced, but the heterogeneity of the results presented was high [23]. In addition, evaluation results examining the use of the protocols varied [62], and patient preferences on how to receive bad news seem to interfere in the BBN process [18]. Professionals who perceive themselves as capable of communicating bad news can do so effectively by depending upon their intuitive talents [63]. Unfortunately, if this self-perception is imprecise, their inadequate BBN behavior could have consequences for the patient. In this regard, detecting the levels of agreement by clinicians with BBN training is relevant to the development, planning, and success of effective educational interventions. In fact, individuals who consider certain skills as learnable and trainable may be available to participate in continuing education programs and be receptive to the proposed strategies.

The present study has several limitations. First, the self-assessment nature of the BBNAS could be criticized, because of the attendant possibility of reporting biases. However, other strategies, based on various sources of observable information, like, for example, the Implicit Association Test (IAT), are not very practical to work with, especially when involving large samples. Second, the small number of medical students involved in the study and the overrepresentation of females, that did not allow to assess invariance of the measurement across gender and physician/student position. Third, the sample was not representative of the country population, since there was a prevalence of participants from the north or northeast regions of Brazil. Fourth, test-retest reliability of the BBNAS was not assessed. Finally, the limited response rate is expected since there is no compensation for volunteers for participation by any means. Therefore, the BBNAS psychometric characteristics are to be further investigated using a larger and more balanced sample across physicians/students, sexes, and geographical areas, and other specialty physicians should be involved. Furthermore, longitudinal studies are needed to assess the BBNAS sensibility to change and the related usefulness in the context of continuing education.


The BBNAS is a newly developed scale to measure the level of agreement that physicians and medical students have with the principles of the SPIKES protocol to deliver bad news. It allows measuring attitudes towards BBN as described by the SPIKES protocol and towards training to learn and implement BBN strategies. Its psychometric characteristics are promising and encourage the use of this measure in other medical contexts.

The information that can be collected by the BBNAS is relevant to the development and planning of effective educational interventions in BBN both for medical students and professionals. Indeed, individuals who have a positive attitude towards the strategy to better communicate bad news to patients and are favorable to training for the delivery of bad news could be more supportive of the strategies proposed in the training process. Efficiency in BBN may benefit both patient and parents and has the potential to change the way how the news is received. It may also enhance patients’ adherence to treatment, their physical and mental health outcomes and decreases physicians’ levels of stress generated by the necessity to communicate bad news. These gains can be promoted through continuing education ensuring that the educational interventions are planned, executed, and evaluated based on evidence.

Availability of data and materials

The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.



Akaike comparative index


Analysis of variance


Breaking bad news


Breaking bad news assessment scale


Confirmatory factor analysis


Comparative fit index


Composite reliability coefficient


Exploratory factor analysis


Jefferson Scale of Physician Empathy


Maximum likelihood robust estimator


Root mean square error of approximation

S-B χ2 :

Exact Satorra-Bentler difference test


Standardized root mean square residual


Sample-size adjusted Bayesian comparative index


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The authors are grateful to those who gently participated in this research.


EM thanks the Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP), research grant number 2019/12043–2, for the financial support on data collection, curation and analysis, and manuscript preparation.

Author information

Authors and Affiliations



KLS participated in the conceptualization, data collection, writing and reviewing the manuscript; PG provided the data analysis, writing, reviewing, and supervision of the manuscript. VZ was responsible for data curation, data analysis, methodology design, and original draft preparation. GC participated in the data analysis and interpretation, and manuscript reviewing, and editing. EM was responsible for project conceptualization, supervision and administration, as well as preparation of original draft, reviewing and editing. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Erik Montagna.

Ethics declarations

Ethics approval and consent to participate

The study was approved by the Ethics Committee of the Secretary of Health of the state of Paraíba, Brazil, and by the Centro Universitário Saúde ABC, affiliated to the National Board of Research Ethics, reference number CAAE: 78108317.4.0000.5186. All participants provided written informed consent to take part in the study.

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Not applicable.

Competing interests

The authors declare that they have no competing interests.

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Supplementary Information

Additional file 1.

The Breaking Bad New Attitude Scale (BBNAS) content of items.

Additional file 2.

BBNAS Scoring Calculator. A spreadsheet to calculate the BBNAS score.

Additional file 3: Supplementary Table 1.

Descriptive statistics of items of the Breaking Bad News Attitude Scale.

Additional file 4: Supplementary Table 2.

Parallel analysis for exploratory factor analysis of the BBNAS.

Additional file 5: Supplementary Table 3.

Correspondence between percentage and raw scores of the Breaking Bad News Attitudes Scale.

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dos Santos, K.L., Gremigni, P., Casu, G. et al. Development and validation of The Breaking Bad News Attitudes Scale. BMC Med Educ 21, 196 (2021).

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