regression slopes

  1. B

    Test to compare regression lines and R^2 values

    Hello I would like to compare the regression lines and coefficients between the disease and healthy groups to see if the rate at which iron increases, and compare tight the data spread in correlation equation is between the groups to see robustness of the data collection method. I have...
  2. K

    MANCOVA MANOVA_assumptions_ heterogeneity of regression slopes

    Hallo there :wave:, I am examining the difference in illness models (by asking several questions: DV) for refugees and non-refugees (IV) (both n= 100). In addition, we asked about several confounding variables / covariates (demographic data). I hypothesis that DV (illness model) will differ...
  3. K

    MANCOVA MANOVA_assumptions_ heterogeneity of regression slopes

    Hallo there :wave:, I am examining the difference in illness models (by asking several Likert scale type questions: DV) for refugees (n=100) and non-refugees (IV)(n=100). In addition, we asked about several confounding variables / covariates (demographic data). I hypothesis that the illness...
  4. M

    heterogenous regression slopes in mancova

    Hey guys, I have a little problem with my MANCOVA data (4 DVs, 3 Covariates). For one of the covariates and one of the DVs, the assumption of homogeneity of regression slopes is violated. Does this mean my overall MANCOVA results may be affected or does this just concern the single DV in...