Open-mindedness trait affects the development of intercultural communication competence in short-term overseas study programs: a mixed-method exploration

Background Overseas study trips can enhance healthcare students’ intercultural communication competence. An opportunity to immerse in the new culture enables them to develop their ability to offer services to people from different countries. However, the role that open-mindedness (i.e., a personality trait) can play in this process has not been explored. Methods The present study adopted a mixed-method design to identify how open-mindedness trait affected this overseas learning process. Thirty-two undergraduate healthcare students in Australia took part in the study. Questionnaires, which measured socio-demographic information, intercultural communication competence and open-mindedness trait were administered to the participants before and after their overseas trip. Half of the participants (n = 16) were interviewed after the overseas trip. Results The correlational analysis showed that the open-mindedness trait was correlated with cultural skills, a component of intercultural communication competence, but not significant with the other three components. Three themes emerging from the qualitative data indicated that the open-mindedness trait affected students’ cultural exposure. This trait enabled participants to be actively involved in the immersion in the local culture. They were willing to learn from peer fellows, and keen to embrace novel challenges. Conclusion It is concluded that open-mindedness trait is vital for increasing cultural immersion, and hence promote intercultural communication skills.

However, interventions to improve communication skills should be considered in a social context with a potential danger of miscommunication [3], such as in a multicultural society and intercultural situations. It has great significance to research on the development of ICC among healthcare professionals/students who need to encounter intercultural situations.
Research in the field of education usually uses the short term "intercultural competence" to refer to intercultural communication competence [1], and there are several synonym terms in other fields. For example, research in the field of health utilises the term "cultural competence/ competency" [4,5], whereas research within the field of business usually uses the term "cultural intelligence (CQ)" [6]. Although each of these fields has developed its own definition and key terms, the underlying theories are quite similar. Another synonymous is cross-cultural competence. According to a classical comparison made by Lusting and Koester, "intercultural communication involves interactions among people from different cultures, whereas cross-cultural communication involves a comparison of interactions among people from the same culture to those from another culture" [7]. Based on this comparison, ICC is more suitable in the present study.
In the research of ICC, the KASA model has been widely used [8]. Based on this model, ICC consists of four components, knowledge (K), attitude (A), skills (S), and awareness (A +) [9]. Intercultural communication skills of health professionals can affect the quality of healthcare delivery and outcomes [10,11]. To assist students' future careers, universities provide cultural education for healthcare students to develop their ICC [12][13][14][15]. Shortterm overseas study programs, a typical type of cultural education, have been regarded to be the most effective way to increase students' cultural exposure and hence develop their ICC [16][17][18][19]. It has great practical significance to research on how to make full use of the overseas programs.
In addition to cultural education, personality, especially open-mindedness trait, has been suggested to be a vital factor to affect ICC. Personality traits determine an individual's behaviour patterns by affecting one's intrapersonal processes, such as emotional, motivational, and cognitional processes [20]. Although several traits are supposed to be highly related to intercultural success [21], open-mindedness has been agreed to be the most important trait to contribute to ICC [21,22]. Openmindedness trait refers to an individual's open attitude to cultural values and norms different from their own, and an unprejudiced attitude to the group members in the different cultures [21]. Theoretically, researchers have discussed the foundation for the association between personality traits and ICC, suggesting that open-mindedness (a typical social-related trait) helps an individual to respond to threatening intercultural situations with positive affect [23,24]. Empirically, extensive research has revealed a positive correlation between open-mindedness and ICC [25][26][27][28].
Given the stability of the personality of university students, this area lacks sufficient research on the openmindedness trait from the perspective of the educational process. Personality traits are relatively stable in a short period, and can hardly be changed immediately after an education intervention [29]. Usually, previous research focused on the effects of specific cultural learning programs [13,30,31], such as short-term overseas study programs, and open-mindedness trait is simply considered as a control variable [32]. It is unknown whether and how the open-mindedness trait can affect the development of ICC from overseas study experiences. However, according to Kolb's theory of experiential learning, learners "must be able to involve themselves fully, openly, and without bias in new experiences" in order to achieve effective learning from experiences [33,34]. According to the definition of open-mindedness trait, open-minded learners are just those who are able to involve themselves openly and without bias in new experiences [21]. Therefore, it could be assumed that open-minded learners tend to have more effective experiential learning, leading to more learning outcomes. In the overseas programs, students are actually "learning by doing", which is typically a kind of experiential learning [17,30]. Therefore, it is hypothesized that open-mindedness is associated with the changing tendency of ICC, that is, the learning outcome of short-term overseas study programs. Taking Kolb's theory of experiential learning as a theoretical foundation, the present study aimed to test this hypothesis using a mixed-method research design.

Research design
A mixed-method approach was adopted in the present study, collecting both quantitative and qualitative data. The quantitative data were collected via a pre-and post-test survey. The qualitative data were collected via individual interviews. Ethical approval was obtained from the University Human Research Ethics Committee of the University of [BLINDED] (Approval Number: 1500000662, 1,600,000,806) before the study was conducted. Consent was implied by the return of a completed survey and written informed consent was obtained for the interviews.

Research setting and sample
The present study was conducted in the Faculty of Health at the University of [BLINDED] in Australia. The Faculty provides short-term overseas study programs for their students to gain cultural learning and professional growth in a different country. The study sample included a total of 32 undergraduate healthcare students who were recruited from several such programs. Because such programs were usually held during the summer/winter holidays and there was only a limited number of healthcare students participating in the programs each year, the data collection lasted about two years (2015-2017). Students in the sample were not first-generation immigrates or international students. In these programs, students went to a south Asian country to undertake a health placement for two to four weeks in the local universities, hospitals, or other health organisations.
English is not the official language in these south Asian countries, but some of the health professionals in the host countries can speak English. Although there were formal or informal translators in the working places, language barriers existed in the communication with the majority of the local people. Therefore, the students in the present study had to encounter both linguistic and cultural differences.

Quantitative survey and procedure
A survey was conducted with 32 healthcare students before their departure from (pre-test) and after their return to Australia (post-test). In the pre-test, students completed a questionnaire measuring socio-demographic information, open-mindedness trait, and ICC. In the post-test, only ICC. A self-developed sociodemographic form was used to ask age, gender, school year, religion, ethnicity, family income sufficiency, family language, and whether they spoke a language other than English. Open-mindedness trait was measured by the Open-minded Subscale in the Multicultural Personality Questionnaire -short form (MPQ-SF) [35]. This is a 5-point Likert subscale with eight items (1 = totally not applicable, 5 = completely applicable). Intercultural communication competence was measured by the Cultural Intelligence Scale (CQS) with four subscales [36]. The CQS is a 7-point rating scale (1 = strongly disagree, 7 = strongly agree), and involves 4 items for cultural awareness (i.e., metacognition), 6 items for cultural knowledge (i.e., cognition), 5 items for cultural attitude (i.e., motivation), and 5 items for cultural skills (i.e., behaviour).

Qualitative interviews and procedure
The 32 students, who completed the quantitative survey, were invited to take part in the individual interviews after the post-test. Eventually, 16 of them accepted the invitation and signed informed consent forms before the interviews. The interviews were semi-structured and audio-recorded, conducted by the leading author. In the interviews, several open-ended questions were designed and asked, during which students were allowed to speak about any aspects of their overseas study experiences and changes of ICC. For example, "How was your overseas experience? (Did anything surprise you about yourself, about the environment, about your profession?) Tell me what you learnt from it. " A professional transcription service was employed to accomplish the transcription verbatim. The leading author then reviewed and edited the transcripts to ensure the accuracy of the data.
Statistical analysis SPSS 22.0 was used for the qualitative data analysis. Descriptive statistics were adopted in analysing the socio-demographic information of the sample, and the variables measured by scales. Correlation analysis was conducted to explore the associations between the openmindedness trait and changed ICC, which was calculated as the post-test scores minus the pre-test scores.
Qualitative data were analysed using thematic analysis. Specifically, the analysis was based on Braun and Clarke's six key steps of Thematic Analysis: (1) becoming familiar with the transcripts; (2) coding each transcript; (3) searching for general themes based on the initial codes; (4) reviewing and refining themes; (5) defining themes with names; and (6) writing a result report [37]. Table 1 displays the socio-demographic information of the survey sample. All the students were in the second, third, or fourth school year. The majority of them were female, which was consistent with the gender proportion in the Faculty of Health, where more female students undertook bachelor degrees associated with healthcare, especially nursing, public health, and social work, than male students. More than half of them were Caucasian, non-religious, monolingual, and from families speaking English.

Quantitative data
Before conducting further analysis, the reliability of the scales was tested. The Cronbach Alphas of the CQS are 0.68-0.84 in the pre-test, and 0.89-0.95 in the post-test. The Cronbach Alpha of the MPQ-SF is 0.79. All of the subscales of the CQS and the Open-minded Subscale of the MPQ-SF indicated adequate internal consistency in the present study.
Descriptive statistics of the scale variables are shown in Table 2. Correlation analysis was conducted between open-mindedness and changed ICC, which equals the post-test scores minus the pre-test scores. As shown in Fig. 1, results reveal that the open-mindedness scores are significantly associated with the scores of cultural skills (r = 0.41, p = 0.019), but not the other components of ICC (p > 0.05). That means students with a high level of open-mindedness tend to gain more cultural skills in the short-term overseas study programs.
To further identify the specific increased skills related to open-mindedness, the five items of the behavioural subscale in the CQS were analysed (see Table 3). According to the self-rating scores of these items, students with a high level of open-mindedness demonstrated a tendency to develop more on the skills to "change verbal behaviour (e.g., accent, tone)", and "alter facial expressions" in intercultural communication.

Qualitative data
The thematic analysis of the qualitative data aimed to further explore the possible explanations of why open-mindedness was associated with more development of ICC in short-term overseas study programs. The development of ICC is the outcome of cultural learning. Therefore, more increase in ICC means more cultural learning from the overseas experiences. Three themes about how openmindedness affected students' overseas experiences were extracted. The themes suggested that the open-minded students were likely to make full use of the experiences to gain cultural exposure by being active to immerse in the local culture, willing to learn from peers, and keen to embrace novel challenges.

Active to immerse in the local culture
Several students who were open-minded were highly active to immerse in the local culture. The open attitude to cultural immersion can bring more communication experiences, which accounts for the development of ICC. They were open to experiencing as much as possible in the host country. Extremely, two students reported that they lived in a homestay, whereas most of their peer fellows in the same program lived in hotels. In their program, the host did not provide accommodation, these two students decided to book a homestay together in order to learn more about the local life. It is a typical example that when encountering the same situation, a student with an open mind has a more active response  One participant (P2) who had a lot of overseas travelling and study experiences also pointed out directly that

Willing to learn from peers
In the interviews, some students talked about their observations on the peer fellows and demonstrated a willingness to learn from them. The open attitude to observational learning can expand the effect of cultural immersion and then contribute to the development of ICC. Interestingly, the learning occurred more when observing the inappropriate than the appropriate behaviours of their peers in intercultural communications. After observing the peers' inappropriate behaviours, students had a conscious thought to behave differently from their peers. This consciousness comes out from the peer influence that students try to avoid making the same mistakes.
"Some of the other students were kind of acting like they were still at X [the home university], like sitting on their phones and their computers, and not paying attention... I was really mindful of that the whole time I was there, and I think it was the first time that I really saw how we might be seen by other people. And I was like, "Oh, my God. We look so rude, and we look just so disrespectful" (P9) In addition to avoiding the same mistakes of their peers, there is another kind of influence to correct mistakes. If a student was told what behaviours were inappropriate and what a better approach could be, this student might change the behaviours. In this way, both the one who noticed the mistake and the one who made the mistake could improve their ICC through peer influence.
"We're out as a group and we invited some of the Chinese girls [from the host university] to the kara-oke… and the other girls even when the Chinese girls were with us, didn't slow down their speaking. So, they were still talking to each other and talking really fast, and then there is this 3rd person and it's like you need to talk slower to include that person which they didn't realise…" (P2). "I saw a lot of times her [a peer fellow] say something, and they would just look. You could tell they were confused and didn't understand and it just wasn't going in. But she'd keep talking and then I'd have to say, 'Oh, they didn't get that. Just repeat it or explain it in a different way' . " (P13).

Keen to embrace novel challenges
Several students highlighted the open tendency to embrace novel challenges. The open attitude to novel challenges can lead to more cultural immersion and then contribute to the development of ICC. In other words, these students had the inner motivation to step out of their comfort zone, that is, whether they liked to stay in a big group with culturally familiar members. If students stayed within culturally familiar groups, they were still protected in a comfort zone where they did not need to address cultural challenges. For instance, "we were part of a group, so it's not like I had to pick things up by myself and work things out. If I wasn't sure, we were part of a group and we all kind of worked it out together" (P4). Some participants realised the negative effects of cultural shelter when reflecting the overseas experiences.
"I think if you're going in a group, that can affect it [learning from overseas experiences] as well because you're constantly speaking English with other people around you… you're kinda sheltered cos there is always someone who can speak on your behalf " (P2). "I was going overseas with all of these people [peer fellows in the program] that have been at university for so long…they never wanted to go up to somebody and ask for directions, or ask to call me a cab, or talk to the cab driver, or stuff like that. So I was always doing that... " (P9)

Discussion
Based on the quantitative and qualitative data, the present study answered whether and how the open-mindedness trait is associated with the changing tendency of ICC during short-term overseas study programs. The quantitative survey revealed that the open-mindedness trait was associated with increased cultural skills (i.e., the behavioural component of ICC). Although little research has investigated directly the relationship examined in the present study, our results support Kolb's theory of experiential learning that learners who involve themselves openly in new experiences can achieve more effective learning from experiences [33,34]. Additionally, our finding of the significant association between open-mindedness and ICC skills is consistent with the evidence found in the related area of cultural adjustment [38,39]. For example, the research on ethnic minority students suggested that open-mindedness correlates with interethnic interactions and social adjustment [39].
In literature, two possible explanations for the association could be found theoretically. Firstly, an individual with an open mind has been found to hold a positive attitude toward novel experiences [40], which leads to a tendency of having more exposure to a new culture and subsequently gaining more increases in intercultural communication competence. Secondly, reflection has been found to be a key process of learning from experience [41], and students with an open mind probably often reflected on their experiences, whereas the other students did not. However, empirical evidence from the qualitative data in the present study is more likely to support the first explanation. According to previous literature, exposure to other cultures does not always lead to greater intercultural understandings and capabilities [42]. By comparing the previous studies and the present study, two different kinds of exposure have been found. In the passive exposure, students usually position themselves in a social-exclusion space, whereas our results highlighted the role of open-mindedness in promoting ICC via increasing active exposure. It could be further concluded that only active exposure to other cultures is effective to the development of ICC, which is the contribution to the literature by the present study.
To be noted, the association with open-mindedness is displayed on the behavioural component of ICC (i.e., cultural skills), but not on the other components (i.e., cultural awareness, knowledge, and attitude). It could be assumed that cultural awareness, knowledge, and attitude are enhanced by the general exposure in the overseas trips, and not so sensitive to an individual's open-mindedness as to cultural skills. According to the models of ICC [9,36,43], cultural awareness is the consciousness of mental processes that an individual adopts to learn and understand cultural knowledge; cultural knowledge refers to the knowledge of rules and conventions in different cultures, and understanding of similarities and differences across cultures; cultural attitude is the dynamics to learn about and function in a different cultural context; cultural skills reflect the ability to take suitable verbal and nonverbal actions in the cross-cultural interaction. As discussed earlier, being open-minded can increase substantially cultural exposure, and hence an individual has much more opportunities to practice intercultural communication skills directly.
ICC is like a long journey with multiple steps to the final stage when an individual is fully cross-culturally competent [44]. It is not enough for healthcare students to participate in a cultural intervention and expect changes in ICC dramatically, and some of the previous research has even found a decreased tendency of selfrated competence in short-term overseas study programs [32,45]. From this perspective, it is reasonable that openmindedness simply contributes to the development of intercultural communication skills in a short period. This issue has not been discussed in previous literature and further research is needed to make more investigations.

Practical implications
For the less open-minded students, more preparation and knowledge before departure is needed for the shortterm overseas study programs. Being thoroughly prepared would assist healthcare students to learn more from these programs. Specifically, students could prepare themselves to be open-minded by understanding cultural differences and respecting those differences. Coordinators of the programs could also inform the students of the findings in the present study, so as to encourage students to have the consciousness of being active to immerse in the local culture, willing to learn from peer fellows, and keen to embrace novel challenges. Furthermore, students could be encouraged to reflect openly on their experiential learning before, during, and after their overseas study.
Additionally, educations could consider some longterm teaching strategies to positively affect students' open-mindedness traits, such as providing language courses and cultural courses. For example, nursing students in Australia must undertake some courses about cultural safety to obtain their degrees. In such cultural courses, healthcare students open their minds to the world, and hence it is reasonable to become more openminded in the process.

Limitations
The present study sheds light on whether and how the open-mindedness trait affects students' ICC changes from overseas study experiences. However, the study has several limitations. Firstly, the sample was small and limited to Australian students. Future research could consider a large and diverse sample to examine the findings. Secondly, the data were all self-reported. The evaluation of ICC is more like the self-efficacy to be culturally competent, rather than a true capability. Thirdly, the quantitative data were based on a correlation design with little control over other related variables. Future research can consider a more rigorous design and explore the effects of other personality traits. Finally, the present study was conducted before the COVID-19 pandemic. Considering the stress and other related mental issues of healthcare [46], results might not be suitable in this special situation. Overall, it should take caution to generalize and interpret the findings in the present study.

Conclusions
Open-mindedness trait can affect the change of ICC during short-term overseas study programs. Specifically, students who are more open-minded tend to gain more increase in cultural skills from their overseas study experiences. A possible explanation is that the openmindedness trait leads to the high quality of culturerelated experiences. Open-minded students are likely to be active to immerse in the local culture, willing to learn from their peers' behaviours, and keen to embrace novel challenges.