Cronbach’s a is a coefficient of an instrument’s internal consistency that measures whether several items that purport to
measure the same concept produce similar scores and can be said to measure the same thing. This is particularly important where scores for items are combined tomeasure awhole andwhere an instrument uses Likert-type items (Yaffee 2003), as in the benchmark resilience tool. Cronbach’s a is commonly used to validate survey instruments
in scale development research (Gliem and Gliem 2003), postdisaster stress (Elklit et al. 2001; Joseph et al. 1993), medicine (Bland and Altman 1997), organizational failure (Gaskill et al. 1993), culture (Buchanan 1974), and crisis research (Leiser et al. 2010).
Cronbach’s a is a coefficient of an instrument’s internal consistency that measures whether several items that purport tomeasure the same concept produce similar scores and can be said to measure the same thing. This is particularly important where scores for items are combined tomeasure awhole andwhere an instrument uses Likert-type items (Yaffee 2003), as in the benchmark resilience tool. Cronbach’s a is commonly used to validate survey instrumentsin scale development research (Gliem and Gliem 2003), postdisaster stress (Elklit et al. 2001; Joseph et al. 1993), medicine (Bland and Altman 1997), organizational failure (Gaskill et al. 1993), culture (Buchanan 1974), and crisis research (Leiser et al. 2010).
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