They give you more room to express your personal viewpoints related to the topic.
Also, there is always a chance to earn some points when you answer an open-ended question.
Different readers can rate identical responses differently, the same reader can rate the same paper differently over time, the handwriting, neatness or punctuation can unintentionally affect a paper's grade and the lack of anonymity can affect the grading process.
While impossible to eliminate, scoring influences or biases can be minimized through procedures discussed later in this booklet. Multiple-choice, true-false and matching items can be correctly answered through blind guessing, yet essay items can be responded to satisfactorily through well written bluffing.
Due to the extent of time required by the student to respond to an essay question, only a few essay questions can be included on a classroom exam.
Consequently, a larger number of objective items can be tested in the same amount of time, thus enabling the test to cover more content.
Both item types can measure similar content or learning objectives.
Research has shown that students respond almost identically to essay and objective test items covering the same content.
“Essay tests let students display their overall understanding of a topic and demonstrate their ability to think critically, organize their thoughts, and be creative and original.
While essay and short-answer questions are easier to design than multiple-choice tests, they are more difficult and time-consuming to score.