Likert scales can be difficult to understand, and there may be cultural considerations that may impact your data.  Take a look at this reference: 

McQuiston, C., Larson, K., Parrado, E. A., & Flaskerud, J. H. (2002). AIDS knowledge and measurement considerations with unacculturated Latinos. Western Journal of Nursing Research, 24(4), 354-372.

Hope this helps!

Robin


Robin Dawson Estrada, RN, CPNP, PhD(c)
The Children's Clinic
1228 Colonial Commons, Suite 231
Lancaster, SC 29720
rdestrada at comporium.net

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