It is a human weakness to be easily lost in a large amount of information. Those perfectionists who want to collect whether it is useful or useless, cannot analyze the information well. The key to overcome this is to develop Clear "goal consciousness", aim to collect the information you want as much as possible. In order to prevent subjective prejudice and pre-conceivedness, the two tasks of information collection and judgment must be separated. If the amount of information is huge, it will be performed twice or even more Inspection. It can be inferred from this:. ["People who can't analyze information well are perfectionists.", 'Develop a clear "goal consciousness" so that it is not easy to get lost in a large amount of information.', 'Separating the two tasks of information collection and judgment can prevent subjective assumptions.', 'If the amount of information is not large, there is no need to perform two or more tests.']