Introduction. The Nurse Competence Scale is a tool for evaluating nursing clinical competence. This tool has been used and psychometrically validated previously in different countries but never in Italy. Assessing the validity and reliability of the Nurse Competence Scale in the Italian context has been a strong necessity for many years. Aim. To test the psychometric properties and evaluate the internal construct validity of the Italian version of the Nurse Competence Scale. Methods. This study is a secondary analysis on a database of 698 bachelor nursing students who were trained in different clinical settings at two Italian universities. Internal consistency was examined with Cronbach's alpha coefficients and inter-item analysis, and construct validity was evaluated by Exploratory Factor Analysis with Oblimin rotation with Kaiser normalization, and eventually Confirmatory Factor Analysis. Results. The results highlighted the necessity for refinements of the Nurse Competence Scale in the Italian Context. The original model of the Nurse Competence Scale (73 items) was not confirmed. The confirmatory factor analysis presented significant values of Chi-squared test = 10942.766, with degrees of freedom being 2.534 and a ratio of x 2 /df = 4.318. The Comparative Fit Index value was significant 0.809 and the Normed Fit Index 0.765 was noteworthy too. The value of Root Mean Square Error of Approximation was significant 0.069. The Cronbach's α coefficient for the new scale was excellent (0.922). The exploratory factor analysis resulted in the Italian Nurse Competence Scale composed of 58 items divided into seven dimensions: using the research, professional awareness, ethical values, tutorial functions, professional leadership, educational interventions, and management of care processes. Conclusions. The Italian version of the Nurse Competence Scale with 7 dimension and 58 items is an appropriate tool for describing and comparing self-assessed competencies by nurses. Such evaluations could constitute an important contribution to have better educational environments. Self-assessment of competencies can also raise a stronger awareness of individual educational needs.
Introduzione. La Nurse Competence Scale è uno strumento per valutare la competenza clinica infermieristica. Questo strumento è stato utilizzato in diversi paesi. La validità e l'affidabilità della Nurse Competence Scale in Italia non è stata mai analizzata e la sua valutazione era limitata alla validazione linguistica e culturale. Scopo. Lo scopo di questo studio è stato quello di verificare la validità e l'affidabilità della Nurse Competence Scale nel contesto italiano. Metodo. Questo studio è un'analisi secondaria di un database di 698 studenti di infermieristica, che hanno svolto il loro tirocinio clinico in diversi ambiti sanitari. L'affidabilità della consistenza interna è stata esaminata con il coefficiente α di Cronbach e l'analisi inter-item, e la costruzione della validità è stata valutata con un'Analisi Fattoriale Esplorativa con rotazione Oblimin e normalizzazione Kaiser-Meyer-Olkin, infine è stata eseguita un'Analisi Fattoriale Confermativa. Risultati. L'analisi del fattore di conferma ha mostrato valori significativi del test Chi-quadro = 10942.766, con Gradi di Libertà pari a 2.534 e un rapporto di x 2 / df = 4.318. Il valore del Comparative Fit Index è stato significativo 0.809 e il Normed Fit Index con valore di 0.765 è risultato nei range di normalità. Il valore del Root Mean Square Error of Approximation è stato significativo 0.069. Il coefficiente a di Cronbach per la nuova scala è stato eccellente (0.922). L'Analisi Fattoriale Esplorativa ha portato allo sviluppo della Italian Nurse Competence Scale composta da 58 items suddivisi in sette dimensioni: l'utilizzo della ricerca, la consapevolezza professionale, i valori etici, le funzioni di tutoraggio, la leadership professionale, gli interventi educativi e la gestione dei processi di cura. Conclusioni. L'Italian Nurse Competence Scale con 7 dimensioni e 58 elementi è uno strumento appropriato per descrivere e confrontare le competenze auto-valutate dagli infermieri, tali valutazioni potrebbero costituire un importante elemento per migliorare gli ambienti clinici. L'autovalutazione delle competenze può anche aumentare la consapevolezza dei bisogni educativi.
Nurse Competence Scale: Psychometric assessment in the Italian context
Notarnicola I.;Petrucci C.;Lancia L.
2018-01-01
Abstract
Introduction. The Nurse Competence Scale is a tool for evaluating nursing clinical competence. This tool has been used and psychometrically validated previously in different countries but never in Italy. Assessing the validity and reliability of the Nurse Competence Scale in the Italian context has been a strong necessity for many years. Aim. To test the psychometric properties and evaluate the internal construct validity of the Italian version of the Nurse Competence Scale. Methods. This study is a secondary analysis on a database of 698 bachelor nursing students who were trained in different clinical settings at two Italian universities. Internal consistency was examined with Cronbach's alpha coefficients and inter-item analysis, and construct validity was evaluated by Exploratory Factor Analysis with Oblimin rotation with Kaiser normalization, and eventually Confirmatory Factor Analysis. Results. The results highlighted the necessity for refinements of the Nurse Competence Scale in the Italian Context. The original model of the Nurse Competence Scale (73 items) was not confirmed. The confirmatory factor analysis presented significant values of Chi-squared test = 10942.766, with degrees of freedom being 2.534 and a ratio of x 2 /df = 4.318. The Comparative Fit Index value was significant 0.809 and the Normed Fit Index 0.765 was noteworthy too. The value of Root Mean Square Error of Approximation was significant 0.069. The Cronbach's α coefficient for the new scale was excellent (0.922). The exploratory factor analysis resulted in the Italian Nurse Competence Scale composed of 58 items divided into seven dimensions: using the research, professional awareness, ethical values, tutorial functions, professional leadership, educational interventions, and management of care processes. Conclusions. The Italian version of the Nurse Competence Scale with 7 dimension and 58 items is an appropriate tool for describing and comparing self-assessed competencies by nurses. Such evaluations could constitute an important contribution to have better educational environments. Self-assessment of competencies can also raise a stronger awareness of individual educational needs.Pubblicazioni consigliate
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