Your friend Casey is a Chemistry major who likes to give you a hard time for enrolling in a Psychology course. “Psychology isn’t a science,” he claims. “It’s all just common sense anyway.” Why is Casey wrong about Psychology? What does it mean for a field to be scientific? Can you think of a specific example of a so-called common sense assumption that you would like to see tested by psychological research?

How did trade contribute to the spread of the plague in the 1300s? trading vessels from the americas brought the plague to london, where it spread across europe. trading caravans from mongolia brought the plague to rome, where it spread across europe. trading caravans from russia brought the plague to barcelona, where it spread across europe. trading vessels from china brought the plague to sicily, where it spread across europe.