dfa

  1. D

    How to understand these (discrepant?) findings?

    Hi everyone, I'm doing a project where I'm developing/validating a new questionnaire about body image (BodyImageNEW). I'm comparing it to an already-existing questionnaire of body image (BodyImageESTABLISHED). I have two samples: Undergraduate sample (control) Eating disorder sample...
  2. D

    Discriminant Function Analysis reveals cut off score?

    Hi everyone, I have a research project where I am looking at the psychometric properties of a new questionnaire about body image. I have two samples: an eating disorder sample and an undergrad control sample. I wanted to see how well my questionnaire discriminates between clinical cases...
  3. C

    Converting Group Centroids into Original Measurement Units in DFA

    I used SPSS to perform a discriminant function analysis on leg length which I am using to differentiate males and females in my sample. New measures are classified as male if the discriminant value is above the mean of the Group Centroids, or female, if the value is below. What I would like...
  4. M

    [Minitab] question re: Linear Discriminant Function for Groups

    Hi all, In prep for analyzing my MSc dataset (bird breeding and feeding ecology data from the Arctic), I'm trying to understand discriminant function analysis (among other things!). I've digested most of what my biostats text has to say, and have a basic understanding. I've spent today and...