=+4. Which of the following is true based on "Big Five" per- sonality traits research?

a. Highly conscientious people are likely to be evening people or "night owls."

b. Highly conscientious people get poor grades.

c. Married partners scoring the same on agreeableness are more likely to experience marital dissatisfaction.

d. Introverts are more likely to prefer communicating through email instead of in person.

e. Neuroticism predicts the use of positive-emotion words in text messages.