Although cellular telephones appear to connect people together, the proper conclusion to draw is that cellular telephones are harmful to interpersonal communication. a. True
b. False

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.        

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explanation:

answer; calendar;