how many instances of a pca are used in a context for a regression analysis why is a pca problematic why would a pca be used for reductive measures can repeated measures be used for a pca do repeating pca work why would it be difficult to do pca for repeated data can pca be used to examine multiple measures of behavior? what is the purpose of using a pca is repeating measures a problem with a pca what is the problem with repeated measures when does a pca work in context can you do pca on multiple measures how to do an ppca in context based regression why is it problematic to use repeated measures can a pca be on multiple measures is pca problem which of the following might be used as a measure of boldness to determine a specific behavior? what is the problem with the repeated measures is pca used for reductive measures why is pca used for reductive measures