Judged: two independent readers; copy check clear.
change score
change score A change score is a measure of how much a person’s score on a variable shifts over time rather than just where it starts.
A change score is a measure of how much a person’s score on a variable shifts over time rather than just where it starts. In this context, latent change score modeling separates an initial level from a change component so researchers can study within-person increases or decreases across repeated measurements.