When a groups of students performed a reaction-time task in the room., they were exposed to controlled conditions.
<h3>What is a
controlled condition in study?</h3>
In an experimental research, a controlled condition means a process where the respondent are not involved in exposure to the treatment or intervention under study.
In conclusion, when the group of students performed a reaction-time task in the room., they were exposed to controlled conditions.
Read more about controlled condition
<em>brainly.com/question/14051119</em>
Answer:
Concrete operational
Explanation:
The concrete operational stage is the third stage of cognitive development stage proposed by Piaget. At this stage, the children show the logical thinking that is related to the conservation principle. They start to think that things are not changing, yet to be changed their physical appearance.
For example, the quantity of water will be the same whether the container size would exchange. But the quantity of water will be the same. The children who do not develop conservation they still are confused in long container quantity and wide container quantity.
Answer:
Renaissance in Italy
Explanation:
The city-states were well established during the later middle ages. Some often city-states were Florence, Naples, Genoa, Milan, Rome and Venice. The city-states being in the coastal region became centres for trade which helped in bringing ideas and goods. Florence became the centre of the Renaissance. The city-states invited painters and sculptures where they created their masterpieces. Medici family were bankers who assisted in building Florence as a centre of art and culture. They became patrons for the painters, architects by spending their wealth to support them.
The man who landed in the Caribbean was known as Christopher Columbus.