In approximately 50-words, explain the importance of creating a positive learning environment for students and identify areas that educators can consider to improve their learning environments.

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.        

what are the answer choices?

answer; symbolic interactionism;

a is your answer hope this ! : )