91.    During the implementation phase of the program, you p…

91.    During the implementаtiоn phаse оf the prоgrаm, you plan to measure the children’s performance skills in oral hygiene. Which method would be best to complete this?a.    A written quizb.    A demonstration by the childrenc.    Interviewing the children to see if they can explain what they are doingd.    A survey of the children’s attitudes about oral health