Ideally, in an experimental situation, everything is held constant except for the _______________, which is manipulated by the researchers

In one national survey of 18- to 29-year-olds in the United States (because this is the age of possibilities), nearly all—89%—agreed with the statement:

a. "I have chosen a career path that brings satisfaction and stability to my life." b. "I am financially independent and emotionally mature." c. "I am who I am and that is never going to change." d. "I am confident that eventually I will get to where I want to be in life."

Women

a. tend to have a shorter sexual refractory period than men. b. show increases in the speed of sexual arousal in older age. c. lose the physiological capacity to have sex before men. d. who have experienced menopause show a steep decline in interest in sexual activity.