When I study psychology, I like to act as if each psychologist that I study is a close friend of mine. I’ve found that doing so makes it easier for me to navigate the often complicated “who’s who” of the psych world and remember the distinctions between similar-sounding concepts, such as classical and operant conditioning. For instance, let me show you how I like to look at structuralism, an early psychological concept studied by Edward Bradford Titchener— or, as I affectiona