Final answer:
TSgt Greene utilized directive counseling to instruct A1C White to wash her hands and put on gloves, providing specific guidance to correct a behavior.
Step-by-step explanation:
The counseling technique used by TSgt Greene in the scenario is directive counseling. Directive counseling involves a supervisor who uses their experience and authority to address an issue by giving specific guidance, orders, or instructions to a subordinate. Since TSgt Greene directly instructed A1C White to wash her hands and put on gloves, this is an example of directive counseling, where the counselor provides clear instructions to correct a behavior or discrepancy.