C选项讲的是什么

问题如下：

Which of the following is least likely a bias that hedge fund investors should be aware of when evaluating the performance of hedge fund benchmarks and indexes?

选项：

A.

Survivorship bias: Unsuccessful and liquidated hedge funds are removed from an index, resulting in their underperformance not being accounted for in the index.

B.

Self-reporting bias: Hedge funds have the freedom to not report their performance, and only the ones that report are included in an index.

C.

Societal bias: This relates to the perception of hedge funds at a societal level, where hedge funds that are perceived to be high performing are included in the index.

解释：

C is correct. Societal bias is not one of the biases that hedge fund investors need to be aware of when evaluating hedge fund performance. A and B are biases that distort the performance of hedge fund benchmarks and indexes.