Characteristics of A Good Test 1- Validity: A Test is considered as valid when it measures what it is supposed to measure. 2- Reliability : A Test is considered reliable if it is taken again by the same students under the same circumstances and the score average is almost the constant , taking into consideration that the time between the Test and the retest is of reasonable length.
3- Objectivity: Objectivity means that if the Test is marked by different people, the score will be the same . In other words, marking process should not be affected by the marking person's personality. 4- Comprehensiveness: A GoodTest should include items from different areas of material assigned for the test. e.g ( dialogue – composition – comprehension – grammar – vocabulary – orthography – dictation – handwriting ) 5- Simplicity: Simplicity means that the Test should be written in a clear , correct and simple language , it is important to keep the method of testing as simple as possible while still testing the skill you intend to Test . ( Avoid ambiguous questions and ambiguous instructions ) . 6- Scorability : Scorability means that each item in the Test has its own mark related to the distribution of marks given by ( The Ministry of Education) .
While preparing our usual tests, we need to have many important points in our minds as we write them : 1- Organization of data, school ,subject ,term , session and time. 2- Amount of questions should suit the allotted time . 3- Printing should be clear , handwritten exam are not accepted 4- Gradation ,arrange the items from easiest to most difficult so as not to discourage the less able . 5- Instructions should give students all the information they need in terms they can understand 6- Questions should adequately sample the content area ,global , including different parts from the whole and not focusing on certain lessons . 7- Keep the mechanics simple and clear . ’t mix types of Test items ,(general questions in place of language item or vice versa ) 8- Test should involve the cognitive ,effective and psychomotor skills that are important to the units ,varied (subjective and objective questions )and measure different aspects .reasoning ,observation ,comprehending and deducing. 9- All branches of the language taught during the school year should be Included. JAmbiguous questions are to be disregarded. 10- Avoid questions that depend on imagination or the unknown. 11- Questions paper should not include direct or indirect implications to any answer. JGrading should be accurate. 12- Plan for easy scoring and do not confuse yourself with too many particles of marks . JFollow samples given by supervisors. 13- Model answers are to be written on a separate sample of the questions paper in blue particles in red and total marks in green . JPossible answers are to be included or write “or any acceptable answer”