Answer:
Investors with an experience of financial crises are better at diversifying their portfolios
Explanation:
When an investor has experienced a financial crisis in the past, and decides to diversify his investment portfolio as a result, he is using both human judgment and experience to take the best decisions available to him.
Diversifying your investment porftolio is a good decision because it reduces risk (although it may also reduce profitability so there is a trade-off). Investors with past experience tend to spread their investments in order to reduce risk and avoid large losses. They do this because they see the possibility of a new financial crisis in the near future.