Research participants in Dr. Lane's study are confident that she will maintain the confidentiality of their research disclosures. Which ethical principle is Dr. Lane upholding?

A national survey in the United States of 20-29 year olds found that 62% agreed that "living together with someone before marriage is a good way to avoid eventual divorce."

Indicate whether this statement is true or false.

In a controlled experiment, the group subjected to a change in the independent variable is called the __________ group

a. independent b. experimental c. dependent d. control