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168 data analysis exist quantitative and qualitative. The choice of which method to use is entirely dependent on the design selected for the project. Whichever method is deemed appropriate, researchers need to understand the purpose of the project to ensure that the right method is used. There are several kinds of computer software programmes that aid the data analysis processes whether quantitative or qualitative. It is important that books on statistics are consulted in order to get a fuller understanding of how these data analyses processes work. References Brace, N., Snelgar, R., & Kemp, R. (2012). SPSS for Psychologists . United Kingdom: Palgrave Macmillan. Black, T. R. (1999). Doing quantitative research in the social sciences: An integrated approach to research design, measurement and statistics . California: Sage. Coe, R. (2002). It's the effect size, stupid: What effect size is and why it is important. Retrieved from :( http://www.leeds.ac.uk/educol/documents/00002182.htm ) Corty, E.W. (2007). Using and interpreting statistics: A practical text for the Health, Behavioural, and Social Sciences. Nursing Education Perspectives , 28 (6), 346-347 . Fisher, M. J., & Marshall, A. P. (2009). Understanding descriptive statistics. Australian Critical Care , 22 (2), 93-97. Gee J. P. (1992). Discourse analysis. In M. LeCompte, et. al. (Eds). The Handbook of Qualitative Research in Education. San Diego: Academic Press. Gibbs, G. (2002). Qualitative Data Analysis: Explorations with NVivo (Understanding Social Research) . Buckingham: Open University Press. LeCompte, M. D. & Schensul, J. J. (1999). Analysing and interpreting ethnographic data. Walnut Creek, CA: AltaMira Press. Leary, M. R. (2004). Introduction to Behavioural Research Methods. New Zealand: Pearson Higher Ed Manning P.K. (1987). Semiotics and fieldwork. Newbury Park,CA: Sage. Marshall, C. & Rossman, G. B. (1990) Designing Qualitative Research. Newbury Park, CA: Sage Merriam, S. B. (1998). Qualitative research and case study applications in education. Revised and expanded from . San Francisco, CA: Jossey-Bass Publishers. Norman, G. (2010). Likert scales, levels of measurement and the “laws” of statistics. Advances in health sciences education , 15 (5), 625-632.