_____ refers to the degree to which an experimental design actually reflects the real-world issues it is supposed to address.
____ refers to the degree to which changes in the dependent variable are due to the manipulation of the independent variable and nothing else. External validity ___ refers to the degree to which an experimental design actually reflects the real-world issues it is supposed to address. control In an experiment, the group that is NOT subjected to a treatment condition is known as the _____ group.