"Gut feeling!", a common word that we use when we do something and we can't figure out why. The term implies something that is either very intuitive to do, or very vague to determine. However, most of us tend to use it by the later implication. That is, when we give up on thinking about the matter we're up against, we follow whatever impulsive idea we feel really relieved about and we call it a gut feeling.
Measuring how hard the decision is depending on how critical the branching point on your road of life. That is, a decision that might change your career is much harder than a decision about your car color. Another factor that might affect the hardness of your decision is the number of the available choices or alternatives. The more alternative you have to choose from, the more hard to settle down on an alternative and be quite confident that it's the best alternative you want. No matter how hard your decision is, what really distinguishes it from a natural reaction is it's mutual execlusiveness. You need to choose one and one way only which is why it's difficult to add a gray range to your choices where you can mix choices up.
Some people tend to hassle up the thinking phase prior to making the decision; they need to quickly wash their hands off the decision and make a choice. Thus, they tend to follow what they like more and call it as gut feeling; later on they might regret making that decision. In most of the situation, the right decision might not seem the best at the beginning and thus people who hassled up the thinking regret at the end of the day.
Other people just find it overwhelming to think about the decisions they are about to make, that's because they just keep thinking about all the factors at once and accordingly they see it very difficult to choose and the boundaries between the road branching points tend to be more vague. Accordingly, they also tend to make the decisions quite quickly and without much of thinking.
Everything in life has its own start and it's corresponding end; for everything we start we have to be aware of where it is or might be ending and whether we are able to end it or not. Starting things without thinking of its end or our ability to end it is a cause of depression since we keep increasing the number of the dangling threads about issues that we have. After a while, the impact on our lives increases dramatically since we may have to make impulsive decision hoping to finish off any of the open threads of the issues that we have. Like a chain reaction, it keeps on generating even more open issues threads and consequences that we can not handle nor end. All those opened threads and consequences were originally started as a single deicision to make. So we started with a point representing a decision, and we ended up in a full-fledged tree of endless open issues that we can not handle.
One of the key points to making a good decision is to always think while the end in mind. It pretty much helps pruning some of the decision alternatives and lets you focus on the remaining set of options. This cuts the hardness of the difficulty level to a fraction of the original level. Once you prune out the least fitting alternatives, you can systematically try to making a fitting criterion for all of the remaining alternatives and it will be a matter of mathematical weights in order to make your decision.
The systematic way about choosing the best fitting alternative is to put down all the aspects regarding the set of the alternatives you have. For example, If you're choosing among four alternative companies to work for; the aspects that you might consider would be: career progress, environment, and finanical oppertunities. Every one of us weighs those aspects differently depending on his/her discretion. Accordingly, you can add weights to your rolled out aspects, say on a scale from 1 to 5. Those weights implie your preferences to the aspects you just put down; putting weights might not be an easy task on its own, let alone the discrepancies between your opinions about the weight value. Simple analogy between the aspects would be of a great help to let you settle down on the correct weight value. In the example above, if you are not so sure about the weight of environment; you can make it to a common sense value like 3 out of 5 and then make the analogy between the environment and the career progress. Analogy would be by stating the question: "Is environment as much important as career progress?". For me, I would say no and accordingly I would decrease the environment weight to 2. You can repeat the same process by making analogy among the aspects in pairs until you reach the settle point. For the example above, I may assign to career progress the weight 5, to the environment the weight 3, and to the financial appertunities the weight 4. The next step is to apply all the weighted aspects you rolled out to all the alternatives you have, which will result in a set of values, say on a scale from 1 to 10, for all the aspects for each alternative. In the example above, if we have to companies (A, and B) then you can say that when you apply the aspects on company (A) you get to see that the career progress has value 8, environment has value 5, and financial oppertunities has value 6. You can apply the aspects again to company (B) to have another values.
Once you're there and you've settled down all the weights and the aspects values for all of your alternatives, making the right decision is a no-brainer task. It's the maximum value of the weighted summation. Don't get afraid of the mathematical terms, it is merely the summation of the values you've collected for each aspect multiplied by its weight. In the example above, the company (A) measure would evaluate to: (5)*8 + (3)*5 + (4)*6. Accordingly, the maximum valued measure would be just the best alternative to choose.
In the decision making process above, you virtually "see" yourself in each of those alternative thinking about how it will end and how you'll act. It's your second measure that you take before making your cut in the piece of wood. As for the cut will be more accurate, your decision making will be more effective and accurate too.