Which one of the following classroom assessment instruments is most likely to have high reliability? a multiple-choice test that has a large number of questions, each of which is worth one point. a performance assessment that the teacher grades subjectively based on a general impression of each student’s overall performance. a short-answer test that is graded by a teacher and a teacher aide; each of these individuals grades half of the test papers. an essay test that a teacher grades over a three-day weekend, doing a few now, a few more after lunch, etc.

A multiple-choice test that has a large number of questions, each of which is worth one point.

Explanation:

For the assessment instruments to have high reliability, it need to has objective measurements that determine the final score.

When we see option B to D, you'll realize that the teacher's opinion will have too much influence in the scoring system. This make the final score become too subjective and unreliable because if the teacher personally like the student, the student can achieve higher score even by giving worse answer.

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