In this video, I demonstrate how to perform a linear regression in SPSS after recoding an ordered categorical variable into a set of sequentially coded variables. In the video, I contrast this coding approach with the more typical use of indicator variables when performing linear regression.
You can download a copy of the dataset here:
https://drive.google.com/file/d/1I1LaTR30aI73Qvq8LEhXWJo0pmfY4AHt/view
You can download a copy of the Powerpoint slides containing variables following indicator and sequential codings here: https://drive.google.com/file/d/1I7Wet4Dg33EyoBJd3AB2ZNI3mrvkeT_b/view
Here is a pdf containing the SPSS output I generated and discussed in the video:
https://drive.google.com/file/d/1vk6cF257mdBcVf5n0YcxywIbEz_MQSse/view
Blog posting: https://mikesquanthub.blogspot.com/2024/05/sequential-adjacent-levels-or-repeated.html