According to Shaughnessy, Zechmeister, and Zechmeister (2009), data analysis and statistics play a major role in the analysis and the interpretation of experimental findings. Descriptive statistics and inferential statistics are both used to describe the results of an experiment. In addition, they are used to confirm that an independent variable has an effect on behavior. Furthermore, both descriptive statistics and inferential statistics are used in the stages of data analysis of an experiment. Moreover, Descriptive statistics are used in inferential statistics (Shaughnessy, Zechmeister & Zechmeister, 2009).
Differences between descriptive statistics and inferential statistics exist. For example, descriptive statistics are used to help r...
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...nd how they control the internal validity of an experiment, and how they differ from experimental designs. Finally, I discussed quasi- experiments by discussing their importance and examining how they differ from experimental designs.
Aeschleman, Stanley, R. (1991). Single-subject research designs: some misconceptions. Rehabilitation Psychology. 36(1). Pp. 43-49. Retrieved February 6, 2010 from University of Phoenix PsycArticles Database.
Kazdin, Alan, E. (1978). Methodological and interpretive problems of single-case experimental designs. Journal of Consulting and Clinical Psychology. 46(4). Pp. 629-642. Retrieved February 6, 2009 from University of Phoenix PsycArticles Database.
Shaughnessy, J., Zechmeister, E., and Zechmeister, J., (2009). Research methods in psychology. (8th ed.). New York: McGraw Hill. Chapters 7, 10, & 11.
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