dependent sample

  1. I

    Help with homework

    On a homework assignment, I have a data set with the variables (in SPSS) 1) Age 2) Reactiontime (continuous) 3) drug (Placebo, or drug condition) 4) Amount of drug metabolites in their blood (continuous) 5) Subject number (1-20) 6) A median split dichotomous variable on drug levels (0...
  2. G

    Help needed for a difficult scenario!

    I would appreciate help to understand how to appropriately analyze the following data. I have 3 groups: n1= 105, n2= 105, n3=15 (yes, just 15) Groups n1 and n2 are related (i.e siblings), thus not independent of each other as the data are under genetic influence; group n3 is not related to...