What Is a "Blind Observer" in an Experiment?​

question 74

Multiple Choice

What is a "blind observer" in an experiment?​

• A)A blind observer does not know the experimenter's predictions.
• B)​A blind observer has no previous experience in psychological research.
• C)​A blind observer tries to predict the results before the experiment starts.
• D)​A blind observer listens to people without watching them.

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Definitions:

Decrease Noise

Reducing unwanted sound or background interference to improve clarity or quality of the environment.

Live Plants

Living organisms that belong to the kingdom Plantae, which grow and photosynthesize to produce their own food.

Major Disadvantage

A significant negative aspect or drawback that can impact effectiveness, efficiency, or desirability.

Allergies

Immune system reactions to a foreign substance that is not typically harmful to the body, such as certain foods, pollen, or pet dander.