In science, a variable is something that can be changed, measured or controlled in an experiment. Scientists look at variables to understand how they affect things. A variable is any one of the things ...

There’s an old Roman insult that goes like this: “He can’t read or swim.” The presumption is that just about anyone who applied himself (or herself) could learn these skills. Indeed, many countries ...

This is a preview. Log in through your library . Abstract The purpose of this paper is to show how latent variable growth modeling can be utilized to examine change in students' attitudes toward ...