Next, we transform using the multinomial2logical function the multinomial predictors into dummy predictor variables , which are simply true or false for each categorical value of the selected multinomial variables. The think data frame has three extralinguistic variables that we have decided to exclude from the following statistical modeling, namely Register, Section, and Author (which are colu...

Abstract Prototypes are critical design artifacts, and recent studies have established the ability of prototypes to facilitate communication. However, prior work suggests that novice designers often fail perceive as effective communication tools, struggle rationalize decisions made during prototyping tasks. To understand interactions between prototypes, pitches from 40 undergraduate engineering...