Evaluation in online course

I was finalizing my final paper today. Suddenly, a question popped in my mind what is the purpose of testing. Before making a course, the creator/s of the online course should be clear regarding the purpose of testing, whether to record the progress or give feedback to learners. To  design a test, you must know exactly what do you need to measure. If you already know the specific learning objective for the course/lesson, it is easier to construct the test. Any activity that can be scored by a computer or human can be a test question.  For that reason, there are an unlimited number of test questions possible. Consider the type of question you need, as per the kind of information you’re are trying to gather and what are you willing to do to get this information.

Questions can be subjective or objective. Subjective test questions require human judgment to evaluate whereas objective questions have clear standards for correctness. They are sometimes called closed questions because learners must select an answer from choices provided by the designer. Multiple choice questions are objective. They are best for right –wrong kind of question in science fields where the learners are tested for new technology and skills.

Thus, I wish to include MCQs, as one of the evaluation tool  in the my lessons to test the acquisition of basic theories and principals of chemistry.