How might data be collected for this target response?Observing how often the intervention is disregarded when it would have been effective.
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.

Self observation and note taking on the intervention and how/when it was used.