two ways in which a distructive relationships influence your well-being as opposed to constructive relationships?​

I uploaded the answer to a file hosting. Here's link:

tinyurl.com/wpazsebu

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.        

answer; models;