Gracie believes that she will be highly successful in college if she works hard and carefully manages her time in her senior year of high school. Her belief best illustrates: (1 point) personal freedom self-actualization reaction formation reciprocal determinism internal locus of control

i am not in high school so i don’t know

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.