Informed consent of participants is often a problem for researchers because:

A) understanding and signing the informed consent is time-consuming.
B) knowledge of the hypothesis may bias the participants' responses.
C) participants are rarely interested to know the details of the experiment.
D) researchers themselves are not informed completely about the procedures.

Informed Consent

Informed consent is a process in which researchers provide potential participants with all relevant information about a study, ensuring they understand the risks and benefits before agreeing to participate.

Hypothesis

An assertion about what is true in a particular situation; often, a statement asserting that two or more variables are related to one another.

Procedures

A set of established methods or steps taken to perform a particular task or to achieve a specific goal.