After interviewing/observing using the PDC-HS and collecting baseline data on hand-hygiene compliance, what intervention did Hays and Romani (2021) implement? Group of answer choices Video demonstrations of confederates demonstrating hand-hygiene compliance or noncompliance that continued until the participant correctly identified occurrence or nonoccurrence on three out of five video clips At the beginning of their first scheduled shift after baseline, each participant was given written notification of the hand compliance goals for the institution and unit, and their personal compliance percentage during baseline Role-play with feedback until the participant achieved 100% hand-hygiene compliance for three consecutive attempts Public displays of daily percentages for hand-hygiene compliance that were reviewed prior to each scheduled shift with each participant who exceeded 80% compliance being given a token that could be accumulated and traded for comp time