Validity
Validity hinges on whether a score based inference is both accurate and what?
contributes to the accomplishment is a particular test's purpose
This reliability indicator checks if a test gives consistent results when taken multiple times by the same person.
test - retest evidence
A math test that is intended to measure a student's addition skills contains complex word problems is lacking this.
Validity
Popham emphasizes that the validity of the test is not in the test itself, but of this.
The score based inferences made from the test
This reliability indicator checks the consistency of results across items in a single test.
internal consistency evidence
A reading test given on Monday and Tuesday to the same student that yields vastly different results is lacking this.
Test - Retest Evidence
Popham argues that validity should always be evaluated in relation to this.
The intended purpose of the test
This reliability indicator assess the degree to which different forms of a test yield the same results.
Alternate form evidence
A personality test that contains items related to world history is lacking this.
Internal Consistency Evidence