One problem in a longitudinal study is that certain types of people may be more likely than others to drop out. This tendency is known as _____________ attrition

The long bundle of neurons that carries messages to and from the body to the brain and is responsible for very fast, lifesaving reflexes is called the __________

a) spinal cord. b) brain. c) reflexes. d) interneurons.

Which combination of basic personality traits from the five-factor model seems most important in the development of avoidant personality disorder?

A. High extroversion and low openness to feelings B. High introversion and high neuroticism C. High antagonism and low neuroticism D. High agreeableness and high angry-hostility