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  1. W

    Using logistic regression and z scores to predict the impact of the difference in two variables on a third

    Thanks for your response! The cutoff and label of "deterioration" are both defined by the makers of the survey used. I would be open to a process by which we still use the original data to determine if degree of difference in the two intake variables could be used to predict an individual's...
  2. W

    Using logistic regression and z scores to predict the impact of the difference in two variables on a third

    Wondering if my logic and use of z-scores and logistic regression makes sense. I am doing research with outcome data from a psychological treatment program that works with adolescents. A similar survey to assess mental health functioning has been given to the adolescents participating in the...
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    Best test to show paired change per individual case over 4 separate survey instances (anova?, paired t-test?)

    Thanks for the reply! Yes, the repeated-measures anova looks like the one for me. I will also look into the Friedman test. And, of course, eliminate cases with missing data across the samples. As for visualizing change per case, I'm looking at about 1500 cases and using r. Maybe it comes...
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    Best test to show paired change per individual case over 4 separate survey instances (anova?, paired t-test?)

    Hello! Having trouble figuring out the best statistical test to visualize outcomes of a mental health treatment intervention. Basically, I have a dataset with 4 separate survey instances (before treatment, at discharge from treatment, 6 months after discharge, and 1 year after discharge). I...