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Research Methods and Statistics-II

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									Research Methods and Statistics II
  Textbooks: 1. Fowler, Jarvis & Chevannes (2002). Practical Statistics for Nursing &
  Health Care. Wiley. 2. Jones, S. (2010). Statistics in Psychology. Explanations Without
  Equations. Palgrave.
Introduction to SPSS
      Descriptive statistics on SPSS
Review one sample difference tests
      Chi square test (F119-120)
      Single sample t-test (F86-88)
      Z-score test (F78-86)
Two sample difference tests (FCh15)
      Parametric
              Independent groups t-test (unrelated) (F100-103;F170-171;J112-
              115;J120-125)
              Paired t-test (related) (F171-174;J115-117;J125-130)
      Non-parametric
              McNemar test (related - nominal) (J175-177;J185-190)
              Wilcoxen signed ranks (related – ordinal) (f164-168;J146-
              147;J150-155)
              Chi square test (unrelated – nominal) (J171-175;J177-185)
              Mann-Whitney U test (unrelated – ordinal) (F158-161;J144-
              145;155-161)
Tests of association – 2 variables
      Non-Parametric
              Chi Square review (F121-125; J171-181)
              Spearman correlation test with significance test (F137-139;J147-
              149;J161-164)
      Parametric
              Pearson correlation test with significance test (F131-136;J117-
              120;J130-134)
              Coefficient of determination (F136)
              Simple linear regression (FCh14)
Tests of association: >2 variables
      Non Parametric: Chi square test (F125-129)
      Parametric: Multiple regression test
Research design review (Covered in Research Design)
      Research process
      Literature searching & reviewing
      Formulating a research question and hypothesis from the
      existing literature
      External validity
      Reliability
      Using decision-trees for research designs/statistical tests
      Experimental vs. correlational designs (J23-29)
            Correlation does not imply causation
      Independent and dependent variables in experiments (J15-16)
      Internal validity & controlling for confounding variables (J17-
      18)
      Within vs between participants designs (including
      counterbalancing)
      Parametric vs non-parametric tests (J92-99)
      Conducting ethical research
Short guided research study (at least 40% of grade)
      Review Components of a research paper (covered in Research
      Methods in Psychology)
      Review APA style (covered in Research Methods in Psychology)
      Apply one of the above tests after designing a study and
      collecting your own data under constraints/guidance provided
      by the instructor (e.g. data sets, set of alternative studies, etc).
The student is now set up for their independent research thesis

								
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