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Cronbach’s alpha reliability coefficient

Selim Kılıç.

Abstract
In statistics, Cronbach’s alpha coefficient is used as an estimate of the reliability of a psychometric test. It might have calculated either for each item in the scale or an average value for all items in the scale. The reliability of the scale is accepted as good if the coefficient is found equal or greater than 0.70. On the other hand, the results should be considered whether if a low value of alpha that could be due to a low number of questions in the scale and a high value of alpha (>0.90) may suggest redundant items in the scale.

Key words: reliability, scale, coefficient


 
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Pubmed Style

Selim Kılıc. [Cronbach’s alpha reliability coefficient]. PBS. 2016; 6(1): 47-8. Turkish. doi:10.5455/jmood.20160307122823


Web Style

Selim Kılıc. [Cronbach’s alpha reliability coefficient]. https://www.pbsciences.org/?mno=221091 [Access: December 04, 2023]. Turkish. doi:10.5455/jmood.20160307122823


AMA (American Medical Association) Style

Selim Kılıc. [Cronbach’s alpha reliability coefficient]. PBS. 2016; 6(1): 47-8. Turkish. doi:10.5455/jmood.20160307122823



Vancouver/ICMJE Style

Selim Kılıc. [Cronbach’s alpha reliability coefficient]. PBS. (2016), [cited December 04, 2023]; 6(1): 47-8. Turkish. doi:10.5455/jmood.20160307122823



Harvard Style

Selim Kılıc (2016) [Cronbach’s alpha reliability coefficient]. PBS, 6 (1), 47-8. Turkish. doi:10.5455/jmood.20160307122823



Turabian Style

Selim Kılıc. 2016. [Cronbach’s alpha reliability coefficient]. Psychiatry and Behavioral Sciences, 6 (1), 47-8. Turkish. doi:10.5455/jmood.20160307122823



Chicago Style

Selim Kılıc. "[Cronbach’s alpha reliability coefficient]." Psychiatry and Behavioral Sciences 6 (2016), 47-8. Turkish. doi:10.5455/jmood.20160307122823



MLA (The Modern Language Association) Style

Selim Kılıc. "[Cronbach’s alpha reliability coefficient]." Psychiatry and Behavioral Sciences 6.1 (2016), 47-8. Print.Turkish. doi:10.5455/jmood.20160307122823



APA (American Psychological Association) Style

Selim Kılıc (2016) [Cronbach’s alpha reliability coefficient]. Psychiatry and Behavioral Sciences, 6 (1), 47-8. Turkish. doi:10.5455/jmood.20160307122823