Answer:
A. An intermittent reinforcement schedule
Explanation:
The answer is <u>"The experiment is missing a control group."</u>
Control group, the standard to which examinations are made in an experiment. Numerous experiments are intended to incorporate a control gathering and at least one trial gatherings; truth be told, a few researchers hold the term analyze for contemplate outlines that incorporate a control gathering. In a perfect world, the control gathering and the exploratory gatherings are indistinguishable inside and out with the exception of that the test bunches are subjected to medicines or interventions accepted to affect the result of intrigue while the control amass isn't.
The answer to this question is (A) <span>Both national and state governments share power.
In united states, both national and state government has the right to create their own laws. This often create tension because some times, the law that exist between the two contradicts one another, and the state government will be forced to bow down if such event happens.</span>