Joe tells his wife, sarah, that he thinks they should “redo” their bathroom as their next home improvement project. sarah reacts strongly to this suggestion, complaining that, “we don't have enough money to do that! ” sarah thought “redo” the bathroom meant to replace the shower, toilet, and sink and to re-tile the floors and paint the walls. she was relieved when joe explained that what he meant by “redo” the bathroom was to paint the walls and have the floors refinished. the language barrier joe and sarah experienced is called

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.        

hello,

question- above

answer- your correct answer is actually college a. because college a has a good price loan and graduation rate. you have to compare it with other values also , that how many students graduated and how many from them have repaid the loan ( default loan rate ).

important- if my answer did mark me as brainliest you and have the best day ever!

answer; the intervening variable;