nonparametric statistics

  1. B

    Nonparametrics Help

    I work with non-human animals. So I am almost always limited to using nonparametrics, however my university does not teach it. For my thesis, I am have 4 subjects. They will be completing 3 tasks, Relevant1, Irrelevant, and Relevant2. Criterion is that they must achieve .85 accuracy over 120...
  2. G

    Stores and ordered rank of products

    I have data about popularity of some products in some stores. For each of the stores I have only a ordered rank of best-selling products in them. I need help how to find information about which products are popular only in certain stores versus products that are popular in all stores.
  3. P

    Count data, NP, between group post hoc comparisons in SPSS

    Some simple advice on non-parametric analysis needed... When comparing sets of count data, i.e. 6 treatments (independent var) applied to 30 samples per treatment, and the result is a count (dependent var) how are differences between treatments checked for in SPSS, i.e. a post hoc...
  4. S

    Whether to interpret based on descriptive or infferential statistics in present case?

    In our study which is already completed, I have three groups: Drug A(n=87), Drug B(=62) and Drug C(n=5). The Shapiro-Wilk test, Histograms and Side-by-side Box plots were used to assess normality of the data of the individual group with respect to all the parameters used separately (weight, BMI...
  5. S

    Whether to interpret based on descriptive or infferential statistics in present case?

    In our observational study which is already completed, I have three groups: Drug A(n=87), Drug B(=62) and Drug C(n=5). The Shapiro-Wilk test, Histograms and Side-by-side Box plots were used to assess normality of the data of the individual group with respect to all the parameters used separately...
  6. A

    Nonparametric multiple linear regression with SPSS

    Is there a way to conduct nonparametric multiple regression analysis using SPSS? If yes, can you provide some explanations on this regard. I have three IVs and one DV with nonparametric data from a Likert scale. I trying to identify if I can use the IVs to predict the DV. Also, I want to...
  7. K

    Nonparametric statistics v.s Parametric statistics

    Why nonparametric statistics is less preferred compared to parametric statistics even if it requires fewer assumptions?