A researcher submits her study for publication in a scientific journal. If one of the peer reviewers is concerned about the external validity of the study, what is the most important aspect of the study to consider?

Bonus question: according to wikipedia, in chinese philosophy yin and yang "describes how seemingly opposite or contrary forces may actually be complementary, interconnected, and interdependent." what are some examples from the story that amy tan may have intentionally incorporated elements of yin and yang philosophy into this story? select 2.

During he 1840s, more americans than british settled in the oregon country. how do you think this settlement influenced negotiations with the british over the territory

According to erikson's theory, which stage of social development is related to adulthood