Complex sentence: Their goals was to create a fictional character through a purposeful methodology and then "attempt" to communication with it through séance which resulted in the character "Philip Aylesford" referred to as Philip during the test.
Split into simpler sentences: Their goals was to create a fictional character through a purposeful methodology and then "attempt" to communication with it through séance. The character created and agree upon was named "Philip Aylesford" referred to as Philip during the test.