In the Context of Observational Research, Observer Bias Can Be

Multiple Choice

In the context of observational research, observer bias can be avoided by:

A) using a blind observer who is unaware of the hypotheses being tested.
B) designating one of two observers as the "main observer" and the other as the "secondary observer."
C) using multiple observers and measuring their level of agreement.
D) allowing observers to interpret what they see rather than simply recording behavior.