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Erschienen in:

Open Access 01.12.2025 | Research

Psychometric properties of the nursing start-up attitude scale in Iranian nursing students

verfasst von: Iman Jafari, Mehdi Jafari-Oori, Abbas Ebadi

Erschienen in: BMC Nursing | Ausgabe 1/2025

Abstract

Background

Entrepreneurial attitudes among nursing students are crucial for fostering innovation and addressing the evolving challenges in healthcare. However, measuring these attitudes accurately requires robust and validated instruments. The Nursing Start-up Attitude Scale is a valid and reliable instrument specifically designed to measure nursing students' attitudes towards start-ups. However, its psychometric properties in the context of the Iranian nursing field have not been thoroughly examined.

Methods

This methodological study was conducted online between 2021 and 2023, involving nursing students from various universities across Iran. The study employed the following procedures: forward–backward translation, assessment of face and content validities, concurrent validity analysis (n = 80 nursing students), exploratory factor analysis (n = 120), confirmatory factor analysis (n = 220), and reliability analysis, which included the assessment of Cronbach's alpha coefficient, interclass correlation coefficient, interpretability, and ceiling and floor effects.

Results

A total of 370 nursing students participated in the study. After ensuring the face and content validities, the concurrent validity was confirmed (r = 0.89). The five factors extracted in the exploratory factor analysis, which accounted for 80.74% of the explained variance, were subsequently confirmed in the confirmatory factor analysis. The Cronbach's alpha coefficient was found to be 0.85. Additionally, the interclass correlation coefficient for the total scale was 0.812, and there were no ceiling or floor effects observed (0%).

Conclusion

The present study confirms the validity and reliability of the Nursing Start-up Attitude Scale in the Iranian context. This scale can serve as a valuable tool for identifying both the strengths and areas for improvement in nursing entrepreneurial education programs. By utilizing the Nursing Start-up Attitude Scale, these programs can effectively enhance the development of entrepreneurial skills among future nursing professionals.
Hinweise

Publisher’s Note

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Abkürzungen
NSAS
Nursing Start-up Attitude Scale
EFA
Exploratory factor analysis
CFA
Confirmatory factor analysis
ICC
Interclass correlation coefficient
SEM
Standard Error of Measurement
MDC
Minimal Detectable Changes

Background

Nursing professionals have the ability to play a significant role in tackling worldwide healthcare obstacles such as chronic diseases, the emergence of new illnesses like COVID-19, the growing elderly population, advancements in technology, and inequalities in healthcare access [1]. Through the expansion of their skill set and the exploration of entrepreneurship opportunities, nurses have the potential to emerge as leaders in population health management, effectively facilitating access to healthcare services for diverse populations [2]. Consequently, nurses are uniquely positioned to make a substantial impact on the healthcare system by assuming the role of nurse entrepreneurs [3].
According to the International Council of Nurses, nurse entrepreneurs are individuals who are owners of businesses that encompass a wide range of nursing services, including the provision of direct patient care, educational initiatives, research endeavors, administrative functions, and consultation services [4]. These nurse entrepreneurs are independent practitioners and business owners who deliver care to their patients [5]. The American Nurses Association Enterprise Innovation (2023) reports that over 300 nurse entrepreneurs are currently driving innovation in the nursing field as change agents. They are involved in various aspects of nursing entrepreneurship such as medical equipment and devices, care delivery models, business creation, research, and educational interventions [6]. Additionally, Sanders and Kingma (2012) outline the characteristics of entrepreneurial nursing, which include nurse-led units, clinics, emergency services, telephone consultation services, and nurse-owned nursing homes [4]. These contributions signify the rise of new healthcare roles, innovative care models, advancements in healthcare legislation, and progress in health equity [7]. However, data from the National Nurses Association suggests that only a small percentage, ranging from 0.5% to 1%, of nurses worldwide currently pursue entrepreneurial roles [8]. In New Zealand, the percentage is less than 1% [9], while in the United States, it is 0.18% [10]. Notably, specific statistics for the Iranian context are currently unavailable.
Entrepreneurial attitude pertains to an individual's acquired inclination, either positive or negative, towards a specific object that is connected to personal views regarding entrepreneurship [11]. A positive attitude is linked to optimistic beliefs about the results of particular actions and favorable outcomes in terms of behavior [12]. Prior to embarking on entrepreneurial endeavors, attitudes towards entrepreneurship play a crucial role in various activities such as formulating a business plan, securing investments, establishing a company, and engaging in entrepreneurial pursuits [13]. Essentially, a positive entrepreneurial attitude can act as a motivating factor for commencing and prospering in entrepreneurship. Research on entrepreneurial attitudes in nursing remains limited. While qualitative research utilizing the Q-method has explored nursing students' attitudes towards entrepreneurship [14], there is a scarcity of quantitative studies that objectively measure these attitudes within the Iranian context [15, 16]. One possible reason for this gap could be the absence of valid instruments for assessing entrepreneurial attitudes.
The most of existing measurement tools for entrepreneurial attitudes have primarily been developed and studied in the field of business management. These tools often contain items that are specific to certain specialized areas, such as "development of business products and services" or "entrepreneurial expert networks" [17, 18]. Using such tools to measure entrepreneurial attitudes in the nursing field has limitations.
Several instruments, including the Nursing Start-up Attitude Scale (NSAS) [11], Personal Attitude in Liñán and Chen entrepreneurial intention instrument [19], and Son’s start-up attitude scale [15] have been used to measure nurse attitude. Among these instruments, the 12- item NSAS was originally developed to measure six key factors: opportunity for self-realization, network formation, enhance start-up capabilities, achievements of start-ups, start-up preparation, and risk taking. These factors are derived from a robust theoretical framework grounded in entrepreneurship theory [20], which underscores the importance of these dimensions in predicting entrepreneurial success [11]. The developer of this scale recommended that, due to the dynamic nature of entrepreneurship and its susceptibility to societal and temporal shifts, it is essential to consistently evaluate the validity and reliability of the scale. Additionally, it is important to make appropriate adjustments and enhancements to align with the changing landscape. Continuous assessment and refinement of the tool are strongly advised to maintain its relevance and effectiveness in measuring nursing students' entrepreneurial attitudes in the future [11].
Despite the significant potential of nurses in the entrepreneurial field [21], the concept of entrepreneurial attitudes in nursing remains largely underexplored, particularly within the Iranian context. Entrepreneurial nurses have the capacity to drive innovation by establishing independent businesses, developing novel care delivery models, and contributing to transformative healthcare reforms [22].
The current study highlights a critical gap in nursing education and practice in Iran—the lack of validated tools to measure nursing students' entrepreneurial attitudes. Developing entrepreneurial skills among nursing students is vital to prepare them for leadership roles and enable them to navigate the evolving demands of healthcare [23]. The absence of such tools hinders the ability to assess educational outcomes, design targeted interventions, and foster entrepreneurial capabilities in nursing education. This research addresses this pressing need by evaluating the psychometric properties of the NSAS in an Iranian context. By validating this instrument, we aim to provide a robust tool that educators and policymakers can use to assess and enhance entrepreneurial attitudes among nursing students, thereby equipping them to contribute innovatively to the healthcare sector.

Methods

This methodological study was designed to translate the NSAS into Persian and evaluate its psychometric properties, including validity and reliability, within the context of Iranian nursing students from 2021 to 2023.

Study population/sampling

The study population consisted of nursing students currently enrolled in nursing faculties across various universities in Iran. The sampling strategy employed was a blended approach, combining both online and in-person methods for data collection. The online component was utilized for the concurrent validity assessment, exploratory factor analysis (EFA), and confirmatory factor analysis (CFA). This allowed for a broader reach, ensuring the inclusion of nursing students from diverse regions and universities. In contrast, face and content validity assessments, as well as reliability analysis, were conducted in person. These methods typically require smaller, readily accessible samples for more focused evaluation and in-depth feedback. The inclusion criteria for the study were as follows: being a nursing student currently enrolled in a program in Iran, having fluency in Farsi or Persian language, and not having any cognitive or psychiatric issues. Non-cooperation or incomplete scale responses were considered as exclusion criteria.
A total of 80 nursing students participated in the concurrent validity assessment, while 120 students were involved in the EFA, and 220 students were included in the CFA. The sample size for the concurrent validity assessment was based on the recommendation by Hobart et al., who suggested a minimum of 79 participants for this type of validation [24]. For the EFA, the sample size was determined based on the guideline of having 3–10 participants per item, as proposed by various psychometric studies. Given that the scale consists of 12 items, the EFA included 120 participants to ensure adequate power for factor extraction [25]. For the CFA, Munro (2005) recommended a sample size of 20–30 participants per factor to ensure reliable model fit and stable parameter estimation. With five factors identified in the scale, the CFA included 220 participants, which provided sufficient statistical power for testing the hypothesized model [26].
In addition to these main analyses, 10 nursing students were recruited to assess face validity by providing feedback on the scale's readability, clarity, and relevance. Finally, four experts in nursing education and psychometrics were invited to evaluate the content validity of the Iranian version of the scale, providing their expert opinions on the scale's cultural and contextual appropriateness for the Iranian nursing context.

Study instruments

Demographic information

The online questionnaire included demographic items such as age, gender, education level, and previous experience in entrepreneurship or starting a business.

The NSAS

The NSAS is specifically designed to assess nursing students' attitudes towards entrepreneurship and starting a nursing-related business. It consists of 12 items that are divided into six factors: self-actualization opportunities (3 items), network building (2 items), enhancing start-up competencies (2 items), start-up outcomes (2 items), preparation for start-ups (2 items), and risk-taking, (1 item). Each item is rated on a 5-point Likert scale, ranging from 1 (strongly disagree) to 5 (strongly agree). The total score of the scale ranges from 12 to 60, with higher scores indicating more positive attitudes towards entrepreneurship in nursing field [11].

Translation procedure

Upon obtaining permission from the NSAS developer, the translation process was initiated. Initially, the scale was translated from English (source language) to Persian (target language) by two translators, one of whom was a health specialist and the other a general translator. The translated version was then back-translated to English by two additional translators, resulting in a final version of the Persian scale. The translations were analyzed, and a final version of the Persian scale was obtained. The quality of the translation was evaluated using the International Quality of Life Assessment (IQOLA) translation process, which is a widely recognized translation methodology [27]. The translated scale was then provided to the developer for further assessment.

Face and content validity

To evaluate the qualitative face validity of the NSAS, cognitive interviews were conducted with 10 nursing students. During the cognitive interviews, the participants' cognitive processes were observed while completing the questionnaire, and any sources of errors in the tool were identified [28]. The interviews were conducted face-to-face, and the Persian version of the scale was modified based on the feedback received from the participants. The participants were also asked to evaluate the readability, clarity, item structure, ease of understanding, item complexity, ambiguous terms, question categorization, ease of replying, language forms, and wording of the questionnaire.
To assess the content validity, the questionnaire was sent to four experts for feedback on language forms, diction, and the placement of words and phrases.

Criteria validity

To assess the criterion validity of the Persian version of the NSAS, the adapted version of Son's (2018) entrepreneurial attitude scale was used as the reference tool [15]. This tool consists of eight items, each rated on a five-point Likert scale, and has been previously validated for measuring entrepreneurial attitudes (Cronbach's α. = 0.88). Higher scores on this scale indicate greater levels of entrepreneurial attitude [11, 15]. The choice of this tool as a reference was based on its relevance and established use in assessing similar constructs in nursing students. The correlation between the NSAS and the adapted version of Son's tool was assessed using the Pearson correlation coefficient. A high positive correlation would suggest that the NSAS is a valid instrument for measuring entrepreneurial attitudes in nursing students, comparable to the established tool.

Construct validity

To assess the underlying relationships between the items, an EFA using Maximum likelihood and Promax rotation was conducted. The principal component analysis (PCA) method was used to extract the factors, and the Promax rotation was used to interpret the factors [29].
The Kaiser–Meyer–Olkin (KMO) coefficient was used to evaluate sampling adequacy. KMO values ranging from 0.7 to 0.8 and from 0.8 to 0.9 are considered good and excellent, respectively. High KMO values (above 0.7) suggest that factor analysis is appropriate for the data [30]. The significance of the correlation matrix between the items was examined using the Bartlett’s test of sphericity. A factor loading cut-off point of 0.30 was considered.
CFA was conducted to determine whether the data confirms to the theoretical model, based on the results of the EFA, using the maximum likelihood estimation method and covariance indices. Goodness-of-fit was assessed using several indices, including the goodness-of-fit index (GFI), relative chi-square (χ2/df), normed fit index (NFI), comparative fit index (CFI), standardized root mean square residual (SRMR), and root mean square error of approximation (RMSEA). Acceptable values for these indices were considered to be χ2/df ≤ 2 [31], GFI [32], CFI [33, 34], and NFI > 0.95 [31], and RMSEA < 0.08 [35].

Reliability

Internal consistency was measured using Cronbach's ⍺. In order to assess the reliability of the NSAS, both relative and absolute reliability measures were utilized. The relative reliability was evaluated by employing the interclass correlation coefficient (ICC) with the inter-rater method. A sample of 30 nursing students completed the start-up attitude scale on two separate occasions, with a two-week gap between assessments. To determine the absolute reliability of the start-up attitude scale, calculations were performed to obtain the Standard Error of Measurement (SEM) and Minimal Detectable Changes (MDC). The SEM represents the measurement error associated with the tool, while the MDC indicates the minimum amount of change in scores that can be considered beyond the measurement error [36]. The formulas used to calculate the SEM and MDC were as follows: SEM = SD Pooled √1– ICC [37], and MDC = SEM X 1.96 X √2. Additionally, the MDC% was computed as (MDC / mean) * 100, where the mean represents the average of all observations from test sessions 1 and 2. An acceptable MDC percentage is considered to be 30%, while values below 10% are regarded as excellent [38].

Interpretability

Additionally, in order to evaluate interpretability, the study examined the percentage of unanswered items as well as the presence of ceiling and floor effects. The sample size for the EFA assessment was used to evaluate the interpretability. Optimal values for the percentage of unanswered items are typically considered to be between 10 and 20% [39], while ceiling and floor effects are ideally kept below 15% [40]. Furthermore, to further assess interpretability, the minimal important change (MIC) was determined using the formula: MIC = 0.5 * SD of Δ score.

Data collection

Data collection for this study took place between August 2023 and November 2023, primarily using online surveys. The target participants were nursing students who were members of an online community, such as university-based forums or social media groups specifically for nursing students. This approach facilitated broad recruitment across multiple universities, enhancing the diversity of the sample.
Participants who expressed their willingness to take part in the study received links to the survey through mobile phones or email, depending on their preference. The survey was designed to be user-friendly and accessible on both desktop and mobile devices, ensuring maximum participation. To ensure participant confidentiality and protect sensitive information, all collected data were encoded and securely downloaded. Personal identifiers were removed to maintain anonymity, and data were stored in password-protected files on the author’s computer, following the Institutional Review Board (IRB) guidelines on data security. Only authorized personnel had access to the data, ensuring full compliance with ethical standards for privacy and confidentiality. Data analysis was carried out on the author's personal computer, which was protected by password-encryption measures in line with the IRB-approved procedures.

Data analysis

Descriptive statistics were computed to summarize the demographic characteristics of the study participants. The correlation between the NSAS and Son's scale was analyzed using Pearson’s correlation coefficient. For the EFA and CFA, we used SPSS software, version 22.0 and AMOUS software, version 26, respectively. Cronbach's α was calculated to evaluate the internal consistency of the NSAS in this study. All statistical analyses were performed with a significance level set at P < 0.05.

Results

Demographic characteristics

In the EFA phase, out of the total samples, 102 (85%) were male, and 18 (15%) were female. The participants had a mean age of 25.73 ± 8.81. In the CFA phase, the mean age of the samples was 24.99 years. Among them, 95 (79.16%) were male, and 25 (20.84%) were female. Additional details about the study participants can be found in Table 1
Table 1
The demographic information of samples in the EFA and CFA
Characteristics
Category
Criterion validity (N = 80)
n (%)
EFA (N = 120)
n (%)
CFA (N = 220)
n (%)
Gender
Male
69 (86.3)
102 (85)
187 (85)
Female
11 (13.8)
18 (15)
33 (15)
Age-group (year)
-
26.63 ± 9.26
25.73 ± 8.81
26.85 ± 9.26
Education level
Bachelor's degree
58 (72.5)
98 (81.7)
159 (72.3)
Master's degree
16 (20)
16 (13.4)
42 (19.1)
Doctoral degree
6 (7.5)
6 (5)
15 (6.8)
Year of study
Year 1
28 (35)
44 (36.6)
77 (35)
Year 2
17 ( 33)
40 (33.3)
77 (35)
Year 3
13 (16)
19 (15.8)
33 (15)
Year 4 and above
12 (0.15)
17 (14.2)
33 (15)
University
University 1
80 (100)
100 (83.3)
186 (84)
Other universities (n = 9)
-
20 (16.7)
34 ((16)
City
Tehran
49 (61)
66 (55)
133 (60)
Other cites (n = 30)
31 (39)
54 (45)
87 (39)
Previous participation in start-up workshops
Yes
18 (22.5)
28 (23.3)
53 (24.1)
No
62 (77.5)
92 (76.7)
167 (75.9)
Former start-up work experience
Yes
12 (15)
16 (13.3)
31 (14.1)
No
68 (85)
104 (86.7)
189 (85.9)

Face and content validity

Face validity was established through the participation of 10 students who provided confirmation. Additionally, content validity was determined by consulting a group of 4 expert specialists. It is noteworthy that the items demonstrated consistent simplicity and clarity throughout the face and content validity evaluations, without requiring any modifications.

Criteria validity

A statistically significant positive correlation was found between the scores of the son's attitude scale and the NSAS (r = 0.89, p < 0.001).

Construct validity

EFA

The KMO test at 0.75 and Bartlett’s test were significant (P < 0.001). According to the results, five factors of opportunity for self-realization (items 1,2 and 3), network formation (items 4and 5), enhance start-up (items 6 and 7), achievements of start-ups (items 8 and 9), and start-up preparation (items 10,11 and 12) were extracted, accounting for 80.74% of the variance of nursing start-up attitude (Table 2). The screen plot in Fig. 1 illustrate the number of factors with Eigenvalues more than one.
Table 2
EFA of the Persian version of the nursing start-up attitude
Factor
Items
Factor loading
variances
Eigenvalues
Opportunity for self-realization
1-A startup in nursing presents a prospect to apply specialized nursing knowledge and skills to serve society
0.87
20.60
3.35
2-Starting a nursing business can offer a chance for personal fulfillment and growth
0.88
3-A nursing startup can be a valuable asset in the context of the Fourth Industrial Revolution
0.90
Network formation
4-The involvement of relevant organizations such as Nursing Associations, Small and Medium Business Administration, Small Business Associations, etc. is crucial in supporting the establishment of nursing startups0.88
0.84
18.53
2.08
5-Establishing a network to maintain a collaborative relationship with relevant institutions such as hospitals, community health centers, etc. is essential for the success of a nursing startup
0.86
Enhance start-up capabilities
6- To prepare for a nursing startup, it is necessary to complete a business theory course in fields such as business administration, administration, social welfare, etc
0.93
15.47
1.65
7-To prepare for a nursing startup, it is necessary to undergo business training courses such as business establishment training, field trips, etc
0.93
Achievements of start-ups
8-Starting a nursing business provides an opportunity to work even after retirement
0.88
13.40
1.40
9- Establishing a nursing startup can leave a legacy that endures after death
0.86
Start-up preparation
10- When starting a nursing business, it is important to be aware of and adaptable to changes in the healthcare environment
0.90
12.73
1.20
11- To establish a successful nursing startup, thorough planning in advance is crucial, including aspects such as market research, staffing, and more
0.88
12- To initiate a nursing startup, one must overcome the fear of failure
0.77
Cumulative %
-
-
80.74
-

CFA

Figure 2 shows the factor loadings for each items. The results of analysis confirmed the fitness of model (× 2 = 75.17 and P = 0.002, RMSEA: 0.057; NFI: 0.93; CFI: 0.97; IFI: 0.97; RFI: 0.90; AGFI: 0.90; PGFI: 0.53; standardized RMR: 0.025).

Reliability

As Table 3 demonstrates, the Cronbach's ⍺ was ranged from 0.75 to 0.88. Further, excellent relative and absolute reliabilities across all factors were estimated. Further, the ICC ranged from 0.82 to 0.98. Additionally, the SEM and MDC values were consistently low, further supporting the excellent reliability of NSAS.
Table 3
Relative and absolute reliabilities of the NSAS
Components
Score range
Cronbach's ⍺
ICC
CI 95%
P-value
SEM
MDC
MDC%
MIC
Interpretation
F1
3–15
0.78
0.97
0.96–0.98
P < 0.001
1
2.77
5.63
0.27
Excellent
F2
2–10
0.75
0.97
0.96–0.98
P < 0.001
1
2.77
5.63
0.19
Excellent
F3
2–10
0.82
0.98
0.98–0.99
P < 0.001
0.83
2.29
4.67
0.16
Excellent
F4
2–10
0.79
0.95
0.93–0.97
P < 0.001
1.31
3.62
7.38
0.31
Excellent
F5
3–5
0.85
0.82
0.74–0.88
P < 0.001
2.04
5.65
12.08
0.43
Excellent
Total score
12–60
0.88
0.95
0.94–0.96
P < 0.001
1.31
3.62
7.38
1.22
Excellent

Interpretability

The NSAS demonstrated minimal instances of participants reaching the highest or lowest possible scores, with only 3% of participants achieving the maximum score and none achieving the minimum score for the entire assessment. The individual subscales of the NSAS also exhibited low occurrences of ceiling and floor effects, ranging from 0.04 to 0.6. The absence of any missing items further indicates the comprehensive nature of the data. Moreover, the MIC scores, which ranged from 0.16 to 1.22, provide additional evidence supporting the ease of interpretation of the NSAS.

Discussion

The present study focused on evaluating the psychometric characteristics of a 12-item Persian version of the NSAS in Iran. The orginal scale was developed through a review of relevant literature on nursing entrepreneurship and an analysis of in-depth interviews with actual nurse entrepreneurs and then validated through various methods such as EFA [11]. According to the nursing students' perspectives, the scale adequately covered the fundamental elements associated with each stage of the start-up process, ranging from self-awareness to accomplishments. Comparing to the orginal version with six factors, the final Iranian version of NSAS was found to have five factors, in which the factor 5 and 6 was merged during EFA. Since the risk-taking factor in the original scale consists of only one item, and given that start-up preparation inherently involves risk, we decided to transfer the risk-taking item to the start-up preparation factor. This decision was further supported by our EFA analysis, which indicated that the factor loadings of the items for risk-taking and start-up preparation loaded onto a single factor. Factor 1 was identified as "Opportunities for Self-realization" (3 items), Factor 2 as "Network Formation" (2 items), Factor 3 as "Enhancement of Entrepreneurial Competence" (2 items), Factor 4 as "Entrepreneurial Performance" (2 items), and Factor 5 as "Preparation of Entrepreneurial Foundation" (3 items).
Through gathering feedback from 10 nursing students, the face validity of the scale were assessed, revealing that the items were easily understandable and unambiguous. Further, during content validity, the experts confirmed that the scale has acceptable given to language forms, diction, and the placement of words and phrases. Further, the criterion validity demonstrated that the iranian-version of nursing start-ups attitude scale has strong correlation with the Son's entrepreneurial attitude scale [15].
According to the results of EFA, The first factor with three items accounted for 20.6% of the explained variance. The included items suggested that nursing entrepreneurship has a higher chance of success when there is a blend of specialized nursing knowledge and skills, as well as experiences in community service [11]. Entrepreneurs typically possess a greater inclination towards seeking new challenges and experiences. Additionally, Hurst and Pugsley's study [41] revealed that nursing students perceive entrepreneurship as a path towards self-fulfillment, with non-monetary motivations carrying more weight than financial ones. Nursing students generally exhibit a strong sense of belief and pride in their field, considering entrepreneurship as a valuable opportunity to apply their expertise [42].
The second factor accounted for 18.53% of the explained variance. Nursing students recognize that nursing entrepreneurship requires collaboration with external entities, and they believe that networking and partnerships with relevant organizations and institutions are crucial for achieving success [11]. Furthermore, networking should extend beyond mere connections and encompass active collaboration and interdisciplinary work with experts in fields such as medical engineering, IT, and others [43].
The third factor, accounting for 15.47% of the explained variance, included two items, which emphasized the importance of nursing students acquiring knowledge in entrepreneurial theory courses and completing practical training courses in entrepreneurship (like practical training in entrepreneurial facilities, field visits) for nursing entrepreneurship preparation [44]. Currently, nursing bachelor's degree programs like other programs lack entrepreneurship-related courses or educational programs in Iran [45]. However, in light of the evolving healthcare policy direction towards primary healthcare and health promotion in an aging society, nursing students need to develop competencies in various nursing entrepreneurship models suitable for integrated home care services within the local community. This calls for the expansion of entrepreneurship education and support programs. Additionally, different studies [4648] reported that the nursing requires the profession to be responsive to changes in the fields of population, new diseases, and others. Future programs should prioritize the development of nursing students' entrepreneurial capabilities, including fostering creativity, openness, and other essential practical skills, in addition to specific disciplines like management and administration.
The fourth factor, accounting for 13.40% of the explained variance, consisted of two items. Based on research findings, nearly half (44.2%) of young entrepreneurs in South Korea expressed the desire to work well into their later years as a driving force behind their decision to embark on entrepreneurial ventures. Similarly, nursing students perceive nursing entrepreneurship as a pathway to extend their professional careers beyond retirement and create a significant and lasting impact in their field.
The fifth factor, accounting for 12.73% of the explained variance, consisted of three items. Despite consisting of a relatively small number of 12 items, the iranian version of scale proves to have a high explanatory power of 80.74%. As a result, it can be deemed a reliable and valid instrument for assessing nursing students' attitudes towards entrepreneurship. The total predicted varince to the orginal version was 74.4%.
CFA of the Persian version of the NSAS indicated satisfactory goodness-of-fit indices, confirming the adequacy of the model. These results were consistent with the five factors identified during the EFA phase. These findings provide support for the validity and reliability of the Persian version of the scale.
The relative and absolute reliability of our modified scale demonstrated significant improvement, underscoring the methodological soundness of our approach.Furthermore, the analysis of floor and ceiling effects revealed minimal bias, indicating that the instrument has a good distribution of responses and is capable of distinguishing between different levels of entrepreneurial attitudes among nursing students. This is a crucial methodological advantage, as it enhances the scale's sensitivity and specificity.
The literature currently has limited standardized, valid, and reliable tools specifically designed for assessing start-up attitudes. This limitation hinders researchers from comparing the psychometric properties of the Persian version of the NSAS with other studies. However, the Persian version of the scale can still be utilized in future research endeavors. Parsha Jyoti Bharadwaj in his study, developed an attitude scale to find out the attitude of students toward business. Although the scale was developded using literature reviewe and then by interviewing with the respondents, the 42 –items attitude scale was lack of any reporting of vaidity and reliabilty [49]. Similarly, in som other studies, the attitude toward starts-up was measured using self developed scale without and validity and reliabilty measurments [16, 5052].

Conclusion

The findings confirm the Persian adaptation of the NSAS as a valid and reliable instrument for assessing entrepreneurial attitudes among nursing students. This scale can be utilized in various settings, including research on nursing entrepreneurship, evaluations of entrepreneurship education programs, and curriculum development. By identifying strengths and gaps in entrepreneurial education, this tool supports the advancement of nursing students' entrepreneurial competencies and fosters innovation in nursing practice.

Limitation

This study has several limitations. The overrepresentation of one university may have introduced selection bias, potentially limiting the diversity of perspectives. Additionally, the sample was primarily drawn from Tehran, restricting the generalizability of the findings to nursing students in other regions, particularly rural areas with differing educational and healthcare contexts.
The use of convenience sampling further limits the representativeness of the sample, potentially skewing results toward more accessible participants. Lastly, the study did not account for contextual factors, such as cultural or economic influences, which may affect entrepreneurial attitudes. Future research should address these limitations by employing randomized sampling methods and including participants from diverse geographic and socioeconomic backgrounds to improve generalizability.

Acknowledgements

The authors would like to express their gratitude for the guidance and advice provided by the Clinical Research Development Unit of Baqiyatallah Hospital, Baqiyatallah University of Medical Sciences, Tehran, Iran.

Declarations

This study was approved by the Ethics Committee of Baqiyatallah University of Medical Sciences (ethics code: IR.BMSU.REC.1400.096). The research was conducted in full accordance with the principles outlined in the Declaration of Helsinki. Permission to translate and adapt the NSAS into Persian was obtained from the original developer of the scale. All participants provided informed consent after being briefed about the study objectives, confidentiality measures, and their right to withdraw at any time.
Not applicable.

Competing interests

The authors declare no competing interests.
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Metadaten
Titel
Psychometric properties of the nursing start-up attitude scale in Iranian nursing students
verfasst von
Iman Jafari
Mehdi Jafari-Oori
Abbas Ebadi
Publikationsdatum
01.12.2025
Verlag
BioMed Central
Erschienen in
BMC Nursing / Ausgabe 1/2025
Elektronische ISSN: 1472-6955
DOI
https://doi.org/10.1186/s12912-024-02631-3