Answer:
The correct answer is a. a control group
Explanation:
In scientific experiments, usually the population that is being studied is divided into two groups: a treatment group, where the treatment that is being tested is applied to them, and a control group, where no treatment is applied. This division of the population in two, which is usually done during the pre-treatment assessment of client functioning, helps to isolate the variables that are under study. If after the treament is applied, the treatment group reacts differently than the control group, it can be said that the experiment showed that the treatment has an effect. This is usually evaluated during the post-treatment assessment of client functioning phase.
Justinian's military goals were to revive the empire's greatness and reconquer the lost western half of the classical Roman Empire. He had partial success reconquering Italy, parts of North Africa and Spain.
The primary purpose of the EU was to stop the frequent and brutal battles between neighbors, which culminated in World War II. This is further explained below.
<h3>Leaders in Europe?</h3>
Generally, Given that each body has its own head honcho, it has been proposed that titles like "Speaker" of the European Parliament.etc.
In conclusion, The Schuman Declaration, which promoted the formation of the European Coal and Steel Community, established the groundwork for the modern European Union.
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Answer:
naturalistic observation
Explanation:
In naturalistic observation, researchers will gather data by directly observing the subjects in their natural habitat without making any intervention.
This is what Professor Ober is doing.
Professor Ober wants to collect a data about development of their physical skills among children. This means that the <u>children are his research subjects.</u>
To collect his data, professor Ober observed the children in the playground (which is the children's natural habitat). He also did not told the children to do anything , he just quietly observe and let the children do what they usually do. (not making any intervention)