title: How to fix Amos error: "observed variable is represented by an ellipse in the path diagram"?
body: <p>I received the following question by email and have seen a lot of students with this problem:</p>
  
  <blockquote>
    <p>I am trying to fit a structural equation model in Amos, but when I click "calculate estimates", I get the following error: "observed variable [variable name] is represented by an ellipse in the path diagram". Could you please advise me of what I am doing wrong?</p>
  </blockquote>