<span>Experiments in which all variables are identical except for one are called controlled experiments. This where an observer tests his hypothesis by looking on changes that were brought about by one variable. The results are always dependent on one adjusted variable.</span>
The parents or caregiver should do to eliminate any obvious cause of hyperactivity in a boy in the kindergarten who can't concentrate to his school work is to use his hyperactivity in academic related activities in which they should help him engage more of his hyperactivity in activities that are academic related in means of eliminating hyperactivity in a way that does not contribute to his school work.
In which country? England --> It led to liberal reform acts and improved the economy.
They generally think that emotions is one way of developing
or one way of contribution to the evolution of men as they think that emotions
are patterns in which they affect the individual’s behavior and how they were
able to cope up with their every day life.