The training videos for Barton Level 4 are a little over an xx hours, it should take you about xx hours to watch the videos, practice the sounds and complete the questions. Please review the script and practice the "main" non-sense words on each activity. As you are watching the videos answer the following questions.
If you are not sure if you as saying any or all sounds the same, please hope on loom and record yourself and share it with info@LexiaLearners.com, so we can let you know how you are doing.