A consequence of a being sleep deprived adolescent is __________

In an experiment in which extraneous variables are present, how does the presence of an extraneous variable affect the results?

A) It proves that the independent variable is responsible for the differences between conditions B) It proves that all the conditions of the experiment, except for the independent variable, were held constant C) It indicates that the results are conclusive, and the experiment should be repeated using the same design, to allow for the replication of the results D) It indicates that the results are inconclusive, and the experiment should be repeated using a different design, without the presence of such variables

A person who adopts the "expansive solution" is a(n)

A) moving toward type person. B) moving against type person. C) moving away type person. D) emotionally healthy person.