Which is of the following is a valid reason that scientists refuse to draw conclusions based on anecdotal evidence?

A) Anecdotal evidence is informally collected.
B) Anecdotal evidence is not derived from the scientific method.
C) Anecdotal evidence may be based on confirmation biases.
D) All of the above.

Anecdotal Evidence

Evidence based on personal accounts or stories rather than hard data or research, often considered less reliable.

Conclusions

The judgments or decisions reached after considering all the relevant facts and evidence.

Scientific Method

A systematic approach to research where a problem is identified, relevant data is gathered, a hypothesis is formulated from these data, and the hypothesis is empirically tested.