It's good to applaud someone's great performance.
Sally's mom, Stacy, is watching Sally play at her flute recital.
Stacy wants to see Sally play well.
Stacy gives Sally a standing ovation at the end of her recital.
Stacy thinks Sally played well, but didn't clap for her at the end of the performance.
Sally feels very accomplished and practices her flute playing even more.
Sally thinks she didn't do so well and begins to lose interest in the flute.