missing value analysis

  1. G

    Syntax Raw Score and Missing Values

    Hi, I am trying to calculate the raw score of a 76 item, 4 point likert scale questionnaire. First, a subscore has to be calculated, for example, DATASET ACTIVATE DataSet1. COMPUTE NewVar=SS_49AT3 + SS_52AT3 + SS_56AT3 + SS_59AT3 + SS_63AT3. EXECUTE. However, from here I need to know...
  2. S

    Scale-wise testing for "missing completely at random"?

    Hi there! :) I want to impute my missing data by using maximal likelihood (ML) estimation in SPSS. I've read that concerning questionnaire data it's recommended to impute the missing data scale-wise, since the intercorrelations of the items of each scale lead to more realistic estimations of...