Hi!
Dr Pimler is going to have to run trials and experiments on this drug by successfully following the scientific method, and avoiding bias at all cost.
He will have to use certain things such as a placebo in order to avoid all forms of bias. He should also limit his knowledge of the own experiment, as to prevent observation bias.
Hopefully, this helps! =)
If you're asking for the definition, then goods that are sold abroad are exports.
The media has the ability to influence public opinion of wars by putting out propaganda in support of one country and against another. This garners public support for one country and their actions while condemning the other. The information is often one sided and not relayed in a subjective manner, creating an unfair bias in the public eye.
I believe the answer is: Primary
For example, let's say take a look at normal employees at a company.
For most of them, the main reason they spend their time to do the job correctly is to obtain money/salary even though they have to spend their time being scolded by unlikable boss.
In the scenario above, we can say that money is the primary reinforcer for the target behavior
Answer:
Lincoln's election was seen as the last straw to the Southerners about their place in the union. This led to the process of secession a short time later, also leading to the eventual Civil War.