Question

the dutch protocol included bias and confounding variables which make it difficult to draw sound conclusions from the results.
a true
b false
clear selection

Explanation:

The statement claims the Dutch protocol had bias and confounding variables that hinder sound conclusions. However, the Dutch protocol (often referring to clinical or research protocols) is typically designed to minimize such issues. Without specific context indicating flaws, the general assumption is that structured protocols avoid these problems, making the statement false.

Answer:

B. False