Suppose you want to find out if using cell phones while driving a car affects the likelihood of having an accident. Driving ability as defined by the scores achieved on a test of driving ability would be the variable

Diane has had difficult pregnancies and also developed a rare form of cervical cancer. Diane's mother may have been prescribed ______ before Diane was born to prevent miscarriage

a) thalidomide b) AZT c) amphetamines d) DES (diethylstilbestrol)

Infants can form their primary initial relationship with their fathers

Indicate whether the statement is true or false