The goal is to improve the workforce morale and performance.

The role of the follow up action is to stimulate the good behaviour, coach and correct the weak behaviour. Maybe you should undertake corrective actions towards the staff that is deliberately not behaving like you (and themselves) want. And yes, finally, punish the reckless.

For guidance HOW to follow up on the behaviour, you may take the descriptions for follow up recognized as fitting with the eight different classes of behaviour. See the other articles for this.