This is a personal question. Therefore, only you would be able to accurately analyze how it is that you evaluate options when making a decision. However, there are some common strategies that people follow when such a problem arises.
One example of such a strategy would be making a pros and cons list. This allows the person to better understand the problems and benefits of each approach. Another strategy would be working your way backwards. This involves thinking of the desired outcome first, and then retracing the steps that might lead you in that direction. A third example involves talking to people who have faced similar challenges and asking them for advice.
<span>The turning point is, that during the Neolithic age, most societies started to turn from hunter/gahterers into farmers and animal herders. They did not more around a lot any more. Groups became larger, flat hierarchies changed into complex ones.</span>
The answer is: A. Ivan Pavlov
Pavlov was the researcher who first popularized the classical conditioning (where a certain conditioned response is created by associating a certain situation with a conditioned stimulus)
Counterconditioning was developed in order to reverse or reduce the effete of classical conditioning (usually carried out by enforcing positive reinforcement to the subjects)