How might data be collected for this target response?A permanent product may be beneficial in which any data collection or a certain amount of data collection in the binders is used to demonstrate an increase in Programming. I also wonder about measuring the amount of quality interactions with clients.
Identify several interventions that might help improve response rates. Place them in order with the least-restrictive at the top so that the interventions may be introduced systematically, adding more restrictive / less favorable interventions after the outcomes of less restrictive options have been measured.

The Least restrictive intervention may star with a reinforcement plan for the employees to see that their efforts matter.
If that is unsuccessful may move to a self monitoring system that divides the employees into teams and progress is posted on the wall via graph.
Finally a 1:1 conversation that discusses with individual employees barriers to professionalism.