Dangerous, rocky, fast moving water is called cataract. C<span>ataracts are sections where the river tumbles over rocks, and can be very dangerous. A well known cataract can be found in the Nile River. </span>
I believe the answer is: D. <span> Skinner; operant
According to skinner, operant conditioning refers to the attempt to make a subject to display desired beahvior by using rewards and punishment.
In the scenario above, completing the homework is the desired behavior and letting her choose the movie is the reward.</span>
<span>According to what the speak is telling, she seems not to find comfort for her grief. It appears that she has no other solution for her life than being sadly her husband who is exiled. She could have decided not to look for him and go on with her life without him but, instead, she finds him and unfortunately she is commanded to live in a hole and be miserable. </span>
The major flaw
was that it is not at all ethical by any means to expose a child and induce
fear in him, fear is a harmful element and especially when the subject is a
child it becomes more unethical.
This was a famous
experiment by John Watson and Rosalie Rayner for which they received much
criticism. The child whose name was "Albert" but is famously known as
"Little Albert" moved shortly after the experiment so it was a
mystery what happened to him until recently when he was found as “<span>Douglas Merritte” who died before he was found.</span>
