Placebo Groups Are Often Used in Multigroup Designs Because

question 159

Multiple Choice

Placebo groups are often used in multigroup designs because:

• A) they are cost effective because you don't have to purchase an additional treatment for participants.
• B) they help determine how much the participants' responses are due to their expectation rather than the treatment itself.
• C) they help determine the true score for participants on the dependent variable in relation to the response to treatment.
• D) they are required in order to conduct a comprehensive multigroup design.

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Definitions:

Military Operation

A coordinated military action undertaken by armed forces to achieve a specific objective, often part of a larger campaign or conflict.

Eastern Front

A term commonly referring to the theater of military operations in Eastern Europe during World War I and World War II, between the Central Powers/Berlin-Rome-Tokyo Axis and the Allies/Soviet Union.

Germany Surrendered

Refers to the act of Nazi Germany formally ceasing hostilities and surrendering to the Allies, marking the end of World War II in Europe on May 8, 1945.

Pearl Harbor

The site of a surprise military strike by the Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Hawaii, on December 7, 1941, leading the United States into World War II.