Professor norris is interested in how children from different cultures acquire the cognitive skills necessary to be productive members of society. his research focuses on how adults and peers communicate culturally relevant knowledge, as well as the emphasis different cultures place on play and work. professor norris's research is consistent with theory.

answer; vygtosky's theory;

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.        

answeranalytical;