Answer:
Ancient civilizations based a large part of their economy and their subsistence on trade and exchange of goods. Thus, they were guided by a very simple premise: they traded what they had left over, to obtain in exchange what they lacked. For example, if a civilization overproduced wheat, it could trade that surplus for goods it did not have, such as animals. In this way, all civilizations covered their needs without the obligation to procure them all by their own hand.
Answer:
A group of pandas are called embarrassment.
A relationship between an independent variable and a dependent variable that exists only because the effects of a third variable have not been taken into account is referred to as a<u> third variable correlation</u>.
<u>Explanation:</u>
A confounding variable, also known as a third variable or a mediator variable, influences both the independent variable and dependent variable. Being unaware of or failing to control for confounding variables may cause the researcher to analyze the results incorrectly.
A type of confounding in which a third variable leads to a mistaken causal relationship between two others. For instance, cities with a greater number of churches have a higher crime rate.
Answer:
Operant conditioning
Explanation:
Operant conditioning: The term operant conditioning is also known to as instrumental conditioning and is given by B.F.Skinner.
This is one of the methods of learning that involves punishments and rewards for a specific behavior. This method of learning leads to create an association or connection between a particular and the consequence related to that behavior. It includes positive or negative punishment and reinforcement.
In the question above, the given statement illustrates the process of operant conditioning.