________ is defined as a gradual process in which individuals escalate their commitment to a course of action to justify their investment of time, money, or effort

Which of the following is characteristic of those with Type A behavior pattern?

a. hostility b. agreeableness c. extraversion d. openness e. none of the above

During a preimplantation genetic diagnosis, a(n)

a. mother's blood is checked for pathogens. b. amniotic sac is punctured. c. fertilized egg is inspected. d. catheter is inserted.