Suggestive effect refers to the indirect method of implicit and abstract induction under the condition of no confrontation, which affects people's psychology and behavior, so as to induce people to act or accept certain opinions in a certain way, so as to make their thoughts and behavior consistent with the expected goal of the suggestive.
According to the above definition, which of the following does not have a suggestive effect?
Since the head teacher praised Xiao Hong's rapid progress in learning at the class meeting, Xiao Hong has studied harder.