A numerical scaling in which higher numbers stand for higher positions in an individual’s preference ordering is referred to as a ______.

Charles Darwin's famous treatise on natural selection is entitled

A) The Ascent to Man. B) De rerum naturae (On the Nature of Things). C) On the Origin of Species. D) Voyage of Galapagos.

Contrary to biological, psychological, or cultural schools of thought, some theorists suggest that people are __________ and are capable of reasoning

Fill in the blank with correct word