The Double-Blind Procedure Is Used in Experiments To

question 9

Multiple Choice

The double-blind procedure is used in experiments to:

• A) reduce the experimenter's bias.
• B) make the results externally valid.
• C) reduce social desirability.
• D) confound everyone except the experimenter.

---

Definitions:

Insects

Most diverse arthropod group; have six legs, two antennae, and, in most subgroups, wings.

Bacteria

Single-celled, prokaryotic microorganisms that come in various shapes and can inhabit a wide range of environments, including soil, water, and living in or on other organisms.

Fungi

A kingdom of complex organisms that include molds, yeast, mushrooms, and more, distinct from plants and animals.

Niche Overlap

Refers to the condition where two or more species occupy overlapping niches, sharing resources in the same environment, which can lead to competition.