A Methodology for Determining and Validating Latent Factor Dimensionality of Complex Multi-Factor Science Constructs Measuring Knowledge-In-Use

Deep science understanding is reflected in students’ ability to use content and skills when making sense of the world. Assessing deep requires measuring complex constructs that combine elements skills. To develop valid measures constructs, we need understand how their theoretical dimensionality, integration skills, manifested practice. This work developed context Framework for K-12 Science Education Next-Generation Standards (NGSS). We introduce a methodology describes steps creating validity argument NGSS designing operational assessments based on this argument, obtaining empirical evidence assessments, focusing theoretically suggested dimensionality Results have implications developing reporting student progress high-stakes diagnostic evaluation.