<span>Trade and shipping spreads ideas. Also intermarriage by noble families to cement treaties and commercial interests. Artists would also travel to different "schools" to learn the techniques they offered.</span>
Answer:
An operational definition is the preise meaning of a term used to describe a variable such as a type of behavior, which researchers want to measure.
Explanation:
Every variable used in a research must have two definitions: the conceptual definition and the operational definition. The conceptual definition is the one that can be found in a dictionary, it explains the construct and its relationship to other constructs. The operational definition defines de variable in terms of observable constructs that can be measured empirically. For example, when studying different types of behavior, the operational definition must make clear what empirical elements define each type of behavior.
The correct answer is Chinese
Explanation: This Chinese creation was very important and revolutionized the way information was passed, after the Chinese creation, the Englishman Johannes Gutenberg, created the official machine and this helped a lot the way things changed in society.
Sarah is in Piaget's substage of
"<span>
secondary circular reaction".</span>
In this
substage, the youngster turns out to be more centered on the world and starts
to deliberately rehash and repeat an activity with a specific end goal to
trigger a reaction in environment. For instance like in the given case hit it
to get a specific reaction.
Http://www.globaltrade.net/f/business/text/Mexico/Trade-Policy-Trade-Barriers-in-Mexico.html hope this helps