2.1 Study design and setting
A controlled experimental study was conducted to evaluate the knowledge about stoma care, the self-efficacy, and satisfaction-self-confidence with the use of different learning methods and different levels of simulation in nursing students. The research design can be seen in Figure. 1 (Fig. 1). Group A-GA included traditional teaching methods and low-fidelity simulation, group B-GB, included traditional teaching methods and high-fidelity simulation (HFS) and group C-GC, included active learning methods (ALMs) and HFS. The data collection period was from November to December 2022, at two different times, one week apart. The study design and procedures conform to the criteria of the "CONSORT - Simulation-Based Research Extension”.
Figure 1 Research design
2.2 Participants
The target population was all third-year nursing students enrolled in two Spanish Nursing Faculties of two public universities (academic year 2022–2023) (n = 429) taking the subject "Adult Nursing III" at the University of Granada (UGR) (GC and GA) and the subject "Clinical Nursing III" at the University of Jaén (UJA) (GB), all of them taught in the third year of the fifth semester. In these courses, the content of the training in stoma care is taught in small groups of 15–20 students each.
GA (114 participants) and GC (165 participants) (both at the University of Granada-Granada, Ceuta, and Melilla Campuses) were selected by matching the morning and afternoon groups. GB was composed of students from the University of Jaén (83 participants). The final participation rate was 84.38% (n = 362). The specific responses of the students were not known to the teachers. The data collected were used for research purposes only and were kept in the custody of the researchers.
2.3 The scenario Virtual Reality stoma site marking training (sVR-SSIMAT)
The design of the sVR-SSIMAT was created by the researchers and a stomatherapy nurse based on the literature (Ota et al., 2023) CREAME software was used in the development of the idea. The experience immerses the student, through the Oculus Quest 2 Virtual Reality goggles. The student can see a clinical room with a patient and a tablet with the steps for a stoma marking procedure. Once the student reads the first steps about location, ribs, scars, etc., the virtual patient lies down and with a pencil the student has to mark the stoma. Once the bisector point is drawn, the trainee has to mark the stoma in multiple potential sites in different abdominal quadrants (Fig. 2).
Figure 2. Screenshot showing a digital content of the sVR-SSIMAT
a. Implementation phase
For the implementation phase, three intervention groups were conducted:
The intervention for GA and GC was carried out at University of Granada with a total of 23 sessions of 120 min each. The GB intervention was carried out at the University of Jaén with a total of 10 sessions lasting 180 min each. All the monitors who participated in the experience received previous training for the type of methodology to be developed. At the UGR (Granada and Ceuta Campuses) the interventions were developed by the same researcher (in addition to the teachers of the subject) while at the Melilla Campus and at the UJA, the interventions were carried out by two researchers participating in the study, who also have the role of teacher. A planning was prepared for each group of simulation (Table 1).
Table 1. Planning of each group of simulation
Group
|
Planification
|
Min
|
A
|
Introduction of the lecturer and explanation of the content of the seminar by means of a master class
|
5
|
Teacher's demonstration of the contents through lecture: 1) Concept of ostomy and types of pouching; 2) General complications; 3) Peristomal skin measurement scales and marking;
|
45
|
Students will divide the class into 4-5 groups of 4-5 people and perform teacher-guided group practice on the manikin: device change, irrigation and marking.
|
70
|
B
|
Introduction of the lecturer and explanation of the content of the seminar by means of a master class
|
45
|
Teacher demonstration of the procedures to be performed: 1) Placement and removal of devices + hygiene; 2) Peristomal skin assessment with DET scale; 3) Stoma marking
|
15
|
Organisation of the group in 3 scenarios: 1) Placement and removal of devices + hygiene; 2) Evaluation of peristomal skin with DET scale through imaging; 4) Stoma marking with virtual reality. sVR-SSIMAT
|
60
|
C
|
Introduction of the lecturer and explanation of the seminar contents
|
5
|
Resolution of doubts that may have arisen after consulting PRADO infographics.
|
15
|
Individual game dynamics through 10 knowledge questions with four alternative answers that students will answer through the Socrative platform. It is a space race where, the more questions they get right, the better place they will obtain in the competition.
|
15
|
Students will divide the class into 4-5 groups of 4-5 people and will perform group practices guided by the teacher on the manikin: changing the device, irrigation. Stoma marking with virtual reality sVR-SSIMAT (Parallel session with another teacher).
|
85
|
Table 1. Planning of each group of simulation
2.4 Data collection procedure
Data were collected through a questionnaire with demographic information, and the following evaluative tools: The Nursing Outcomes Classification (NOC) "Knowledge: Ostomy Care [1829]” (Moorhead et al., 2018) and its indicators, self-efficacy (Sanjuan-Suárez and Pérez-García, 2000) (Supplementary material 1), and student satisfaction-self-confidence with learning (Román-Cereto, 2017) (Supplementary material 2).
By completing the questionnaires, participants gave their consent to participate in the study. The students were also clearly informed that their answers would not be used to evaluate them in the course.
The pretest included:
- Questionnaire with demographic information.
It included the age of the participants, gender, class shift (morning-afternoon), university of belonging and number of times the course is taken.
-Ad hoc knowledge test on nursing stoma care.
To measure the level of knowledge about stoma care, no validated scale was found, so it was considered appropriate to use the NOC outcomes "Knowledge: Ostomy Care [1829]” (Moorhead et al., 2018). (Extent of understanding conveyed about maintenance of an ostomy for elimination) and its indicators as used in other studies (Hueso-Montoro et al., 2023). It consists of 16 indicators, observable and quantifiable measures used to evaluate the level of knowledge about ostomy care through a Likert scale from 1 to 5, where 1 = No knowledge and 5 = Extensive knowledge. The NOC outcomes are a standardised nursing language that has been translated into nine languages to explore and describe nursing practice in a variety of specialisms, patient groups, and healthcare settings (Leoni-Sheiber et al., 2019; Moorhead et al., 2018).
- Self efficacy scale
The "General Scale of Self-Efficacy" (Sanjuan-Suárez and Pérez-García, 2000), validated for the Spanish university population, was used to evaluate the student's perception of self-efficacy with respect to learning. It aims to assess the stable feeling of personal competence to effectively handle a wide variety of stressful situations. It has good internal consistency (Cronbach's alpha = 0.87) and a high validity rate. It consists of 10 items evaluated with Likert scale from 1 to 10, whose total score varies between 10 and 100 points (higher scores indicate higher levels of perceived self-efficacy).
In the post-test, on the one hand, the instruments of the pre-test (excluding the demographic variables) were measured, as well as the satisfaction and self-confidence of the students in learning with respect to the simulation. For this purpose, the satisfaction and self-confidence scale adapted and validated for implementation in the Spanish educational context was used. This tool evaluates clinical learning based on simulation in the Nursing degree. It has a high internal consistency (Cronbach's alpha α = 0.93) and consists of 13 items distributed in two dimensions (satisfaction/5 items and self-confidence in learning/8 items) that are evaluated with Likert scale from 1 to 5, where 1 = Totally disagree and 5 = Totally agree. This instrument was distributed to all students after the session.
2.5 Data analysis
The analysis of the data was conducted using SPSS (Statistical Package for the Social Sciences) version 28.0.1.0. Data from the descriptive analysis were presented as percentages for categorical variables and as the mean (M) along with the standard deviation (SD) for continuous variables.
Different non-parametric tests were employed for inferential analysis due to the non-normality and lack of homoscedasticity, as demonstrated by the Kolmogorov-Smirnov and Levene's tests, respectively. Kruskal-Wallis tests were conducted to check for differences among fidelity groups and groups based on shifts for the variables NOC outcomes, confidence, satisfaction, and self-efficacy. Additionally, Friedman tests were carried out to compare pre- and post-simulation differences in the variables NOC outcomes and self-efficacy. Significant differences were considered for p-values less than 0.05. Students with incomplete tests were excluded from the analysis.
2.6 Ethical considerations
The study was approved by the Research Ethics Committee at the University of Granada (registry number: 2110/CEIH/2021) and Research Ethics Committee at the University of Jaén (registry number: OCT.22/4. PRY). Students were asked for consent to take part in the study and were informed about the main goal of the investigation.