What is the purpose of defense mechanisms according to psychoanalytic theory?

Which of the following statements about laboratory studies and field studies is the most accurate?

a. Laboratory studies are always better because of their ability to control extraneous variables. The only time a field study should be used is if it is unethical to use a laboratory setting. b. Some research questions can be explored in both a field study and a laboratory study to enhance confidence in the results that are obtained. c. Laboratory studies and field studies each have certain advantages and disadvantages, which is why each research question can be explored in only one of the two types of settings. d. Field studies are always better than laboratory settings because they give a more accurate assessment of people's behaviors. The only time a laboratory setting should be used is if a research question cannot be explored with a field study.

Inventionism is the name given to the view that

A) teens are especially creative in developing new technologies. B) the concept of adolescence was created to keep young people off the job market. C) society needs to develop new opportunities for teens. D) the Industrial Revolution gave teens an economic boost.