Complex sentence: A test, as conducted by Cassaday, focused on environmental conditions deemed to be relaxing such as smaller rooms and fragrant lavender, with the additional element of familiarity (classical music already associated with school assembly).
Split into simpler sentences: A test, as conducted by Cassaday, focused on environmental conditions deemed to be relaxing such as smaller rooms and odors of fragrant lavender. This was carefully chosen with the additional element of familiarity (classical music already associated with school assembly).