Freud believed that the ________ was the most important determining factor in human behavior and personality

Approximately how many scents can humans detect?

a) 250 b) 1,000 c) 10,000 d) 20,000

A researcher wants to study developing human fetuses that have already been exposed to radiation. Which type of research would be best suited for this?

A) Experimentation B) Quasi-experimentation C) Case study D) Naturalistic observation