Discuss matters of conduct with offenders, not with non-offenders.
Because Sadie had spoken without permission, it is not therefore
necessary to tell Joseph that he may not speak without permission.
Address yourself to the one who needs the prohibition. Treat each case
by itself. Wait until you have finished your immediate work, whether it
is holding a recitation or writing on the blackboard. When the period is
ended, quietly speak to Sadie in private, telling her she must ask
permission when she wants to speak as you may be able to answer her
question without bothering another pupil.
“Just hold up your hand and if I think it is necessary, I shall nod my
head, meaning ‘Yes’; this will not disturb the rest of the room.”