From: Concept inventories as a resource for teaching evolution
Evidence based on… | Overview | Example |
---|---|---|
… test content | Checking the match between the assessment’s content and what it claims to measure | Getting the assessment reviewed by multiple content experts to ensure even and thorough coverage of a concept |
… response processes | Making sure that the test takers’ responses align with the underlying concepts being measured | Think-aloud interviews with students where they explain the reasoning behind each answer they chose on the test |
… internal structure | Analyzing how the assessment questions relate to each other and map onto the underlying concepts being measured | Using a statistical modeling approach like factor analysis to analyze how responses to different questions correlate |
… relations with other variables | Relating test scores to external variables. The external variable could be the results of a similar test (convergent evidence), a test expected to be different (discriminant evidence), or non-test outcomes like students’ future course enrollment decisions | Comparing the assessment to a previously established assessment of similar concepts, expecting to find a positive correlation in student scores |
… consequences of testing | Evaluating the soundness of using the assessment in practice, including potential impacts of the testing itself and appropriateness of interventions made based on student results | For an assessment being used to group students into leveled sections, gathering evidence on the learning outcomes of this intervention |