Objective tests (Short-answer and Multiple choice questions)

Using objective tests to assess learning
Objective tests are questions whose answers are either correct or incorrect. They tend to be better at testing 'low order' thinking skills, such as memory, basic comprehension and perhaps application (of numerical procedures for example) and are often (though not necessarily always) best used for diagnostic assessment. However, this still affords a great variety of both textual and numerical question types including, but not limited to: calculations and mathematical derivations, MCQs, fill-in-the-blanks questions and short essay (short answer) questions
LSE (2019).
In brief, objectives tests are written tests that require the learner to select the correct answer from among one or more of options or complete statements or perform relatively simple calculations.
What can objective tests assess?
Objective tests are useful to check that learners are coming to terms with the basics of the subject in order that they have a firm foundation and knowledge. They are useful because:
- can test a wide sample of the curriculum in a short time
- can be marked easily; technology can assist with this
- less reliance on language skills of the students
- useful for diagnostic purposes: gaps and muddled ideas can be resolved.
The drawbacks are:
- students can guess rather than know
- the random nature of the questions does not help build mental maps and networks
- writing good questions is not easy
- they tend to focus on lower-order processes: recall rather than judge, explain rather than differentiate.
What alternative assessments could I choose?
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Administration
There are a number of packages that can analyse the results from MCQ tests for reliability and validity. Using the questions for formative purposes can generate the data needed and so pilot questions prior to their use for summative tests. In addition to asking student to give an answer we can also ask for their confidence rating - how sure they are about the answer they are giving. This not only reduces guessing, but also provides feedback to the learner about the extent of their comprehension / understanding.
Using online packages to administer the test allows instant feedback. Once a student has selected an answer they can be told if they are correct or not and be given an explanation of their mistake. Some of these packages select questions on the basis of previous results rather than randomly, which allow a check on whether the learner is gaining from the feedback provided (adaptive testing).