Which One of the Following Classroom Assessment Instruments Is Most

Multiple Choice

Which one of the following classroom assessment instruments is most likely to have high reliability?

A) A multiple-choice test that has a large number of questions, each of which is worth one point.
B) An essay test that a teacher grades over a three-day weekend, doing a few now, a few more after lunch, etc.
C) A short-answer test that is graded by a teacher and a teacher aide; each of these individuals grades half of the test papers.
D) A performance assessment that the teacher grades subjectively based on a general impression of each student's overall performance.