The Stanford prison study demonstrates how a person's ________ affect(s) behavior

During childbirth, the obstetrician decides that there is a need for an episiotomy. That means

a) this is a necessary step in the Bradley method. b) this is the third stage of childbirth when the placenta and the umbilical cord are expelled from the mother. c) the doctor makes an incision to enlarge the size of the vaginal making it easier for the baby's head to emerge. d) the doctor decides the mother requires a Cesarean section procedure.

It is impossible to do research in which one variable is an experimental manipulation and two are personality variables

Indicate whether the statement is true or false