scholarly journals Validation of martyn to simulate the keyhole supraorbital subfrontal approach

2014 ◽  
Vol 96 (4) ◽  
pp. 120-121 ◽  
Author(s):  
Hani J Marcus ◽  
Archie Hughes-Hallett ◽  
Philip Pratt ◽  
Guang-Zhong Yang ◽  
Ara Darzi ◽  
...  
Keyword(s):  
Construct Validity ◽  
Royal College ◽  
Validation Study ◽  
Content Validity ◽  
Face Validity ◽  
Great Success ◽  
Surgical Experience ◽  
Vascular Tree ◽  
Subfrontal Approach

The Modelled Anatomical Replica for Training Young Neurosurgeons (MARTYN) has been created by the conservation team at The Royal College of Surgeons of England to simulate traumatic pathologies (such as extradural haemorrhage) and has been used with great success at relevant workshops. A modified MARTYN head has recently been developed that incorporates a vascular tree and pathology, allowing for the simulation of the keyhole supraorbital subfrontal approach. 1 Here we present a short validation study assessing its realism (face validity), usefulness (content validity) and ability to differentiate levels of surgical experience (construct validity).

scholarly journals Validity and Reliability of the Scale, Role Taking in Caregivers of People with Chronic Disease, ROL

10.3823/2575 ◽  
2018 ◽  
Vol 11 ◽  
Author(s):  
Mauricio Arias ◽  
Sonia Carreño ◽  
Lorena Chaparro
Keyword(s):  
Factor Analysis ◽  
Chronic Disease ◽  
Construct Validity ◽  
Internal Consistency ◽  
Content Validity ◽  
Three Dimensions ◽  
Face Validity ◽  
Validity And Reliability ◽  
Role Taking ◽  
Phase Study

Objective: To determine face, content, and construct validity, and internal consistency of ROL scale. Methods and Findings: A three-phase study was conducted. First, content analysis of the scale was carried out consulting 10 professional experts. Then, face validity was analyzed with 60 caregivers. Finally, construct validity was evaluated by performing an exploratory factor analysis (EFA) with 110 participants. Internal consistency of ROL scale was also assessed. Face validity of ROL scale reached a high acceptance index in three dimensions: role performance (0.97), role organization (0.98), and response to the role (0.98). Content validity showed coherence, clarity, and relevance of the scale. From factor analysis, three components emerged and were grouped in the same manner for varimax, quartimax, and equimax rotations. Cronbach's alpha was 0.816, which is an acceptable overall value. Conclusion: ROL scale makes objective the concept of role taking in family caregivers of people with chronic disease. It demonstrated to have acceptable reliability, and construct, face, and content validity to be used in the Colombian context. Keywords: Validation Study, Caregivers, Health Transitions, Chronic Disease.

scholarly journals Development and validation of a nutrition knowledge questionnaire for a Canadian population

2016 ◽  
Vol 20 (7) ◽  
pp. 1184-1192 ◽  
Author(s):  
Maude Bradette-Laplante ◽  
Élise Carbonneau ◽  
Véronique Provencher ◽  
Catherine Bégin ◽  
Julie Robitaille ◽  
...  
Keyword(s):  
Factor Analysis ◽  
Construct Validity ◽  
Content Validity ◽  
Covariance Structure ◽  
Nutrition Knowledge ◽  
Face Validity ◽  
Covariance Structure Analysis ◽  
Knowledge Questionnaire ◽  
Canadian Population ◽  
Test Retest Reliability

AbstractObjectiveThe present study aimed to develop and validate a nutrition knowledge questionnaire in a sample of French Canadians from the province of Quebec, taking into account dietary guidelines.DesignA thirty-eight-item questionnaire was developed by the research team and evaluated for content validity by an expert panel, and then administered to respondents. Face validity and construct validity were measured in a pre-test. Exploratory factor analysis and covariance structure analysis were performed to verify the structure of the questionnaire and identify problematic items. Internal consistency and test–retest reliability were evaluated through a validation study.SettingOnline survey.SubjectsSix nutrition and psychology experts, fifteen registered dietitians (RD) and 180 lay people participated.ResultsContent validity evaluation resulted in the removal of two items and reformulation of one item. Following face validity, one item was reformulated. Construct validity was found to be adequate, with higher scores for RDv. non-RD (21·5 (sd2·1)v. 15·7 (sd3·0) out of 24,P<0·001). Exploratory factor analysis revealed that the questionnaire contained only one factor. Covariance structure analysis led to removal of sixteen items. Internal consistency for the overall questionnaire was adequate (Cronbach’sα=0·73). Assessment of test–retest reliability resulted in significant associations for the total knowledge score (r=0·59,P<0·001).ConclusionsThis nutrition knowledge questionnaire was found to be a suitable instrument which can be used to measure levels of nutrition knowledge in a Canadian population. It could also serve as a model for the development of similar instruments in other populations.

scholarly journals A Study on the Status of Error Reporting Cultures among Nurses in Medical Sciences Hospitals of Islamic Azad University

2018 ◽  
Vol 4 (1) ◽  
Author(s):  
Abasat Mirzaei ◽  
Zeinab Abbasi ◽  
Sima Safarzadeh
Keyword(s):  
Construct Validity ◽  
Content Validity ◽  
Work Experience ◽  
Pearson Correlation ◽  
Face Validity ◽  
Error Reporting ◽  
Cronbach’S Alpha ◽  
Cross Sectional ◽  
Cronbach's Alpha ◽  
The Status

Background:One of the goals of nursing is to provide safe patient care and medical errors are one of the most important threats in this field.Therefore, the purpose of this study is to assess the status of error reporting culture and determine its relationship with demographic characteristics.Methods:This descriptive,analytical and cross-sectional study was carried out among 239 nurses of amiralmomenin and bouali hospitals. First,face validity and then content validity were performed by 15 nursing experts and the questionnaire was distributed and collected. The normal distribution of data was confirmed by Kolmogorov-Smirnov test. The reliability and construct validity were performed with Cronbach’s Alpha test and exploratory factor analysis by PCM.The status of reporting culture was determined by computing descriptive statistics and its relation with demographic variables with Pearson correlation test and logistic regression test with SPSS software version 16.Results:The content validity with CVR &CVI of 0.820 and 0.920 were confirmed. The reporting culture was favorable with a mean and standard deviation of 2.674 and 0.475.The reliability with Cronbach's alpha of 0.747 and the construct validity with a KMO of 0.727 and Significance of the Bartlett test were confirmed and 3 subscales were extracted. The relationship between age and work experience with the reporting culture with a correlation of 0.009 and 0.013 with a significant < 0.05 were rejected But with the variable of gender(=female) with a chance of 2.536 and the significant of 0.006 was confirmed.Conclusion:Developing a safety culture in hospitals by implementing various health programs improves the reporting culture,but the mental climate is undesirable and requires major steps to reduce worries and negative outcomes after reporting.The presence of female nurses in comparison with men improves the error reporting culture.Perhaps the main reason is patriarchy in Iranian culture.

scholarly journals A high-fidelity, virtual reality, transurethral resection of bladder tumor simulator: Validation as a tool for training

2021 ◽  
Vol 16 (4) ◽  
Author(s):  
Jonathan Moore ◽  
Stewart Whalen ◽  
Neal Rowe ◽  
Jason Lee ◽  
Michael Ordon ◽  
...  
Keyword(s):  
Construct Validity ◽  
Transurethral Resection ◽  
Content Validity ◽  
Bladder Tumor ◽  
Strong Support ◽  
Face Validity ◽  
Video Recordings ◽  
The Face ◽  
Hands And Feet ◽  
Key Steps

Introduction: Simulation-based training is used to help trainees learn surgical procedures in a safe environment. The objective of our study was to test the face, content, and construct validity of the transurethral resection of bladder tumor (TURBT) module built on the Simbionix TURP Mentor simulator. Methods: Participants performed five standardized cases on the simulator. Domains of the simulator were evaluated on a five-point Likert scale to establish face and content validity. Construct validity was assessed through the simulator's built-in scoring metrics, as well as video recordings of the simulator screen and an anonymized view of participants' hands and feet, which were evaluated using an objective structured assessment of technical skills (OSATS) tool. Results: Ten experienced operators and 15 novices participated. Face validity was somewhat acceptable (mean realism 3.8/5±1.03 standard deviation [SD]; mean appearance 4.1/5±0.57), as was content validity, represented by simulation of key steps (mean 3.9±0.57). The simulator failed to achieve construct validity. There was no difference in mean simulator scores or OSATS scoring between experienced operators and novices. Novices significantly improved their mean simulator scores (305.9 vs. 332.4, p=0.006) and OSATS scoring (15.8 vs. 18.1, p=0.001), while 87% felt their confidence to perform TURBT improved. Overall, 92% of participants agreed that the simulator should be incorporated into residency training. Conclusions: Our study suggests a role for the TURBT module of the Simbionix TURP Mentor simulator as an introduction to TURBT for urology trainees. Strong support was found from both experienced operators and novices for its formal inclusion in resident education.

scholarly journals How to enhance and assess reflection in specialist training: a mixed method validation study of a new tool for global assessment of reflection ability

2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Gunver Lillevang ◽  
Helle Ibsen ◽  
Søren Hast Prins ◽  
Niels Kristian Kjaer
Keyword(s):  
Construct Validity ◽  
Method Validation ◽  
Validation Study ◽  
Mixed Method ◽  
Global Assessment ◽  
Assessment Tool ◽  
Face Validity ◽  
Train The Trainer ◽  
Specific Complex ◽  
Mind Maps

Abstract Background In Danish GP training we had the ambition to enhance and assess global reflection ability, but since we found no appropriate validated method in the literature, we decided to develop a new assessment tool. This tool is based on individual trainee developed mind maps and structured trainer-trainee discussions related to specific complex competencies. We named the tool Global Assessment of Reflection ability (GAR) and conducted a mixed method validation study. Our goal was to investigate whether it is possible to enhance and assess reflection ability using the tool. Methods In order to investigate acceptability, feasibility, face validity, and construct validity of the tool we conducted a mixed method validation study that combined 1) qualitative data obtained from 750 GP trainers participating in train-the-trainer courses, 2) a questionnaire survey sent to 349 GP trainers and 214 GP trainees and 3) a thorough analysis of eight trainer-trainee discussions. Results Our study showed an immediate high acceptance of the GAR tool. Both trainers and trainees found the tool feasible, useful, and relevant with acceptable face validity. Rating of eight audio recordings showed that the tool can demonstrate reflection during assessment of complex competencies. Conclusions We have developed an assessment tool (GAR) to enhance and assess reflection. GAR was found to be acceptable, feasible, relevant and with good face- and construct validity. GAR seems to be able to enhance the trainees’ ability to reflect and provide a good basis for assessment in relation to complex competencies.

scholarly journals The Development of the Text Evaluation Scale for Child Rights: A Study of Validity and Reliability

2018 ◽  
Vol 8 (5) ◽  
pp. 139
Author(s):  
Yusuf Söylemez
Keyword(s):  
Construct Validity ◽  
Content Validity ◽  
Sample Selection ◽  
Factor Loading ◽  
Face Validity ◽  
Main Study ◽  
Validity And Reliability ◽  
Child Rights ◽  
Cronbach Alpha ◽  
The Face

This study was conducted with the aim of developing The Text Evaluation Scale for Child Rights. There are fourdifferent sample chosen for the face validity, content validity and construct validity (for pilot scheme and main study)of the study. For face validity, a sample group of 3 experts chosen with the method of purposeful sampling includingthe researcher was formed. For content validity, snowball method was determined and studied with 12 experts. Forthe study of construct validity, random sampling method was performed for the sample selection in pilot studyinvolving 120 people and in main study involving 510 people.The theoretical framework of the scale was determined by means of the attempts, conventions, studies regarding thesubject basing upon the United Nations Organization Child Rights Convention and additional protocols to thisconvention. One could get minimum 40 and maximum 200 points from the five-point Likert scale which consists of28 positive and 12 negative (total 40) items. The scale has two sub-dimensions which are content and author. Thefact that Cronbach Alpha reliability coefficient is high regarding the sub-dimensions of the scale (authorsub-dimension= 0,822 content sub-dimension= 0,834) shows that the items in the sub-dimensions are consistent withone another. Cronbach Alpha value for the whole of the scale was determined as 0,90 which means that the scale ishighly reliable. Besides, in the scale, there are items of which factor loading value is higher than 0,45. When validityand reliability results are examined, it can be seen that the scale could be utilized to evaluate the text in terms ofbeing suitable for the child rights.

Construct Validity of the Risk, Pain, and Injury Questionnaire

2005 ◽  
Vol 22 (4) ◽  
pp. 433-446 ◽  
Author(s):  
Stephan R. Walk ◽  
Lenny D. Wiersma
Keyword(s):  
Structural Equation Modeling ◽  
Construct Validity ◽  
West Coast ◽  
Content Validity ◽  
Structural Equation ◽  
Factor Model ◽  
Model Fit ◽  
Face Validity ◽  
Equation Modeling ◽  
Limited Support

Nixon’s (1994a; 1994b; 1996a; 1996b) research using a Risk, Pain, and Injury Questionnaire (RPIQ) is perhaps the most systematic in the risk, pain, and injury literature. The RPIQ is intended to measure the acceptance of dominant discourses on risk, pain, and injury among athletes and others. This article presents a face validity critique of the RPIQ and results of a subsequent content validity analysis based on a study of 171 athletes from a West Coast university. Structural equation modeling used to test Nixon’s original 3-factor model (M1) revealed poor model fit. Two alternate models (M2 and M3) tested reformulated subscale constructs and items. Whereas M2 demonstrated poor construct validity, limited support was found for items in M3. Further replications of this research are recommended.

scholarly journals Creation of a novel simulator for minimally invasive neurosurgery: fusion of 3D printing and special effects

2017 ◽  
Vol 20 (1) ◽  
pp. 1-9 ◽  
Author(s):  
Peter Weinstock ◽  
Roberta Rehder ◽  
Sanjay P. Prabhu ◽  
Peter W. Forbes ◽  
Christopher J. Roussin ◽  
...  
Keyword(s):  
3D Printing ◽  
Minimally Invasive ◽  
Construct Validity ◽  
Content Validity ◽  
Training Model ◽  
Face Validity ◽  
Patient Specific ◽  
Plug And Play ◽  
Special Effects ◽  
The Mean

OBJECTIVERecent advances in optics and miniaturization have enabled the development of a growing number of minimally invasive procedures, yet innovative training methods for the use of these techniques remain lacking. Conventional teaching models, including cadavers and physical trainers as well as virtual reality platforms, are often expensive and ineffective. Newly developed 3D printing technologies can recreate patient-specific anatomy, but the stiffness of the materials limits fidelity to real-life surgical situations. Hollywood special effects techniques can create ultrarealistic features, including lifelike tactile properties, to enhance accuracy and effectiveness of the surgical models. The authors created a highly realistic model of a pediatric patient with hydrocephalus via a unique combination of 3D printing and special effects techniques and validated the use of this model in training neurosurgery fellows and residents to perform endoscopic third ventriculostomy (ETV), an effective minimally invasive method increasingly used in treating hydrocephalus.METHODSA full-scale reproduction of the head of a 14-year-old adolescent patient with hydrocephalus, including external physical details and internal neuroanatomy, was developed via a unique collaboration of neurosurgeons, simulation engineers, and a group of special effects experts. The model contains “plug-and-play” replaceable components for repetitive practice. The appearance of the training model (face validity) and the reproducibility of the ETV training procedure (content validity) were assessed by neurosurgery fellows and residents of different experience levels based on a 14-item Likert-like questionnaire. The usefulness of the training model for evaluating the performance of the trainees at different levels of experience (construct validity) was measured by blinded observers using the Objective Structured Assessment of Technical Skills (OSATS) scale for the performance of ETV.RESULTSA combination of 3D printing technology and casting processes led to the creation of realistic surgical models that include high-fidelity reproductions of the anatomical features of hydrocephalus and allow for the performance of ETV for training purposes. The models reproduced the pulsations of the basilar artery, ventricles, and cerebrospinal fluid (CSF), thus simulating the experience of performing ETV on an actual patient. The results of the 14-item questionnaire showed limited variability among participants' scores, and the neurosurgery fellows and residents gave the models consistently high ratings for face and content validity. The mean score for the content validity questions (4.88) was higher than the mean score for face validity (4.69) (p = 0.03). On construct validity scores, the blinded observers rated performance of fellows significantly higher than that of residents, indicating that the model provided a means to distinguish between novice and expert surgical skills.CONCLUSIONSA plug-and-play lifelike ETV training model was developed through a combination of 3D printing and special effects techniques, providing both anatomical and haptic accuracy. Such simulators offer opportunities to accelerate the development of expertise with respect to new and novel procedures as well as iterate new surgical approaches and innovations, thus allowing novice neurosurgeons to gain valuable experience in surgical techniques without exposing patients to risk of harm.

Validation of a Bench-Top Training Model for Retrograde Intrarenal Surgery

2021 ◽  
pp. 1-6
Author(s):  
Sana Hussain ◽  
Roshan-e Shahid Rana ◽  
M. Hammad Ather
Keyword(s):  
Construct Validity ◽  
Content Validity ◽  
Concurrent Validity ◽  
Training Model ◽  
Face Validity ◽  
Retrograde Intrarenal Surgery ◽  
Learning Technique ◽  
The Face ◽  
The Mean ◽  
Self Administered Questionnaire

<b><i>Objective:</i></b> To validate the in-house built Styrofoam box bench-top training model for retrograde intrarenal surgery (RIRS). <b><i>Materials and Methods:</i></b> This study was performed in the setting of a half-day RIRS course. During the course, participants performed RIRS on a locally built bench-top model. We recruited 26 participants, comprising 20 trainees and 6 experts. Trainees and experts were asked to fill a self-administered questionnaire assessing various components of RIRS to assess the face and content validity. For construct validity, experts using Objective Structured Assessment of Technical Skills (OSATS) rated trainees and the mean OSATS score of junior versus senior residents was compared. <b><i>Results:</i></b> As per trainees, the model was 86% (4.3/5) realistic, which was backed by experts who found this model to be 87.6% (4.38/5) realistic. The overall face validity of the model was 86.4% (4.32/5). The overall content validity of this model was 83.4% (4.17/5). Majority of the participants thought that this tool is useful for learning technique (4.38 ± 0.49) and safe-conduct (4.31 ± 0.73) of the procedure. The trainees concurred that the skills acquired are transferable to the operating room (4.23 ± 0.76). However, the construct validity by comparing mean OSATS score of junior versus senior residents was 19.5 ± 3.5 and 23 ± 4.5. A <i>p</i> value of 0.11 could not be established. <b><i>Conclusion:</i></b> This study has demonstrated the face, content, and construct validity of the bench-top training model for RIRS. Further evaluation is necessary to compare its effectiveness against other available models to demonstrate concurrent validity.

scholarly journals Development and psychometric testing of the ‘barriers to physical activity during pregnancy scale’ (BPAPS)

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Leila Amiri-Farahani ◽  
Katayon Ahmadi ◽  
Syedeh Batool Hasanpoor-Azghady ◽  
Sally Pezaro
Keyword(s):  
Physical Activity ◽  
Construct Validity ◽  
Pregnant Women ◽  
Internal Consistency ◽  
Content Validity ◽  
Phase 1 ◽  
Relevant Literature ◽  
Face Validity ◽  
Qualitative And Quantitative ◽  
Barriers To Physical Activity

Abstract Background Pregnancy can affect the amount of physical activity that women engage in, so ensuring adequate physical activity in pregnant women can be a challenge. Therefore, there is a need to explore and identify barriers to physical activity in this population. Consequently, this study was conducted in order to develop and validate a scale to assess barriers to physical activity in pregnant populations. Methods The study was conducted in two phases. During phase 1, a comprehensive review of the most relevant literature from electronic databases on barriers to physical activity was carried out and appropriate scale items were extracted using a deductive approach. During phase 2, the psychometric properties of the extracted scale items were determined using face, content and construct validity, internal consistency and stability. Qualitative and quantitative face validity was assessed via face-to-face interviews with 30 and 10 pregnant women, respectively. To confirm the qualitative and quantitative content validity, 10 experts in the field of research and instrument design were invited to complete the resulting scale. To assess construct validity, the scale items were further tested among 320 pregnant women attending perinatal clinics at health centers in Ilam, Iran, where data were collected via continuous sampling. The internal consistency and stability of the study were measured by Cronbach’s alpha and intra-class correlation coefficient (ICC), respectively. Results Following a review of the relevant literature, 48 items for the BPAPS were extracted. Subsequent to the assessment of face and content validity, the number of items was reduced to 38. Through a subsequent exploratory factor analysis, the number of items dropped further to 29. These items were then structured under four major factors. Finally, the internal consistency and stability of the scale was confirmed by a Cronbach alpha coefficient of 0.824 and a test-retest reliability score of 0.87. Conclusion Findings show that the 29-item scale to assess barriers to physical activity in pregnant populations is a valid and appropriate instrument.

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