What is the golden rule? a. jesus, the savior, died for our sins. b. there is only one god. c. you must treat others as you would wish to be treated. d. to earn salvation, you must seek forgiveness for your sins.

C. treat other how you wanna be treated

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.