Veronica is teaching her client to mand for help when he is…

Veronica is teaching her client to mand for help when he is unable to pump the soap bottle on his own. Once he is reliably requesting help with the soap bottle in his bathroom, she works on the skill at the kitchen sink. Once he demonstrates the skill in the kitchen, she tests whether he will request help with pumping the soap in the presence of his mother. Once he requests help from his mother, she tests whether he will request help at school with his teacher. What type of strategy is Veronica using to promote generality?