1. A test has validity evidence if we can demonstrate that it measures what it says it measures.(Kubiszyn, 2013)
1.1. Validity Evidence
2. Split-Half Methods : Odds and evens Each item is assigned to one half or the other
2.1. Reference:
2.2. Kubiszyn,T,(9th ed.) Educational testing & measurement: Classroom application & practice, John Wiley & Sons
3. Reliability Evidence
3.1. The Reliability of a test refers to the consistency with which it yields the same rank for the individuals who take the test more than once.(Kubiszyn,2013)
3.2. What are some weaknesses seen by other companies?
4. they both are valid for the students and how reliable the test are for them.
4.1. Content validity evidence:The content validity evidence for a test is established by inspecting test questions
4.2. Criterion-Related validity evidence: in establishing criterion related validity evidence, scores from a test are correlated with an external criterion.
