Final answer:
The best practice for the study design in the article 'Music Therapy Self-Care Group for Parents...' is b) lyric analysis.
Step-by-step explanation:
Based on the information provided in the courseware, the best practice for the study design in the article 'Music Therapy Self-Care Group for Parents...' is b) lyric analysis.
Lyric analysis is a music therapy intervention where participants discuss and analyze the lyrics of songs to explore their personal meanings and emotional connections. This intervention can be beneficial in promoting self-reflection, emotional expression, and personal growth. In the study, lyric analysis was likely considered the best practice because it allows parents to delve deeper into their emotions and experiences through engaging with song lyrics.