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  1. alfred

    Analyzing data from a dependent sample experiment with 2 conditions

    Hello there, I have the following dataset resulting from an experiment where I have two conditions: Each row is a subject. Each subject was exposed to both condition1 and condition2 (depentent-sample design) and the numbers in the respective columns are the subjects' scores for each...
  2. alfred

    Collect answers and determine probability

    Hello! I'm trying to figure out a method to predict the most probable answer taking into account previous answers collected in a database. Practically, I have 5 questions. For each question I present 2 possible answers (either A or B). People answer to the 5 questions and their answers are...
  3. alfred

    Normality of a dataset

    Hello, In SPSS, which is the difference between the Kolmogorov-Smirnoff test under Analyze->Descriptive Stats->Explore and under Analyze->Non Parametric Tests->1 sample K-S? I always thought that the first one includes the Lilliefors correction and is more precise, but in principle the second...
  4. alfred

    Compare 7 different conditions with ANOVA

    Hello there, In my SPSS dataset each subject is assigned a certain score upon 7 different conditions: therefore in SPSS I have 7 columns and 20 lines, each line representing a subject/case, each column reporting a value (score). The data is normal and I want to compare the scores between the...