Question 1 Which of the following statements demonstrates the teacher's understanding and use of reinforcement? a ipin And actor on his paper after he finished the first live activities.Hin often has trouble in the second half of activities when we do work in stations ln class down after she stood up in the midile of taking a qult incloss.After I tald her this she sat down and continued to work on her quiz. Class a parela bar at the beginning of class and told them this was to be used as their "brain lood" as we embarked on our hard work My hope was that they would work hard knowing they had the extra energy. 11 contacted Mordatify choir dinector to her know how Mendeth is doing in my class.The choir Grector told Merideth about my comment and noticed Mondeth working even harder in my math class the next day.

## Step 1<br />The problem is asking us to identify which of the given scenarios demonstrates the teacher's understanding and use of reinforcement. Reinforcement, in the context of psychology, refers to the process of encouraging a certain behavior by providing a reward or positive outcome.<br /><br />## Step 2<br />Let's analyze each option:<br /><br />### Option A<br />The teacher is praising the student for completing the first half of the activities. However, the student is having trouble in the second half of the activities. This does not demonstrate reinforcement because the reward is not consistent with the student's behavior.<br /><br />### Option B<br />The teacher is telling a student to sit down after she stands up in the middle of a class. This is not reinforcement because the teacher is not providing a reward for the student's behavior.<br /><br />### Option C<br />The teacher is giving students a bar of chocolate at the beginning of class, telling them it's their "brain food" for the hard work they're about to do. This is an example of reinforcement because the teacher is providing a reward (chocolate) for the students' hard work.<br /><br />### Option D<br />The teacher is contacting the choir director to know how Mendeth is doing in her class. The choir director tells Mendeth about the teacher's comment and notices Mendeth working even harder in the next class. This is not reinforcement because the teacher is not providing a reward for Mendeth's behavior.