The correct answer would be Teacher's Expectancy Effect.
The teacher anticipated that Jim would be a poor student and invested little effort in helping Jim learn. At the end of the year, Jim nearly failed. This is an example of Teacher's expectancy Effect.
Explanation:
Teacher's expectancy Effect is basically concerned with the social development of the students as a whole. The teacher's expectancy effect is the impact of a teacher's expectations that may have on the performance and actual achievements of a student.
If a teacher expects extraordinary results from a student, he is likely to perform and achieve those expected results and vice versa.
So when the teacher expected Jim to be a poor student because of the history of his brother, then she put less effort upon teaching him and as a result, he nearly failed and hardly managed to pass the exam. This exemplifies Teacher's Expectancy Effect.
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