Reliability is the extent to which a questionnaire, test, observation or any measurement procedure produces the same results over a period of time.
Standardization establishes a set precedence, therefore enhancing an assignment, test or projects’ reliability.
There are four considerations to examine when designing an appropriate assessment method that will reflect the established learning goals and activities
Validity is defined as, the extent to which the instrument measures what it sets out to measure. Teachers must identify the expected learning outcomes and goals of the course in order to appropriately assess student work.
Practicality refers to the action of the assessment method and its relevance to the overall learning goals in the course. It also addresses whether or not the workload for the instructor is reasonable.