Answer:
Allows researchers to use their prior knowledge about the population.
Answer:
a. sham lesion control group.
Explanation:
The experimenter will need to conduct a sham or placebo surgery or in simple words a fake surgery or radio frequency lesion on the rats in the control group. This will look like radio frequency lesion to the control group but in actual will be done just to induce the sham or placebo effect for studying the changes in emotional behavior to the lesion. Hence, the experiment will require a sham lesion control group.
A benefit is a payment or gift
Answer:
Cultural diffusion
Explanation:
Cultural diffusion is the spread of cultural beliefs and social activities from one group of people to another. This diffusion creates richer cultures and enhances integration.
For example, a German in Africa, purchasing traditional beads and learning how to greet in the native tongue. His use of these beads as a fashion accessory has incorporated a new pattern in his lifestyle and could be adopted by those close to him if found fascinating.
Cultural diffusion could involve other aspects such as foods, drinks and religion. Cultural diffusion enhances a larger degree of communication and understanding among people of different backgrounds.
Answer:
electricity
Explanation:
Electricity meant that the factories did not need water to power their facilities.