Which Experimental Design Means That Two Groups of Test Units

question 43

Multiple Choice

Which experimental design means that two groups of test units were randomly assigned to two different treatment groups at the same time,and the dependent variable was measured in the two groups simultaneously?

• A) R X₁ O₁ R X₂ O₂
• B) R X₁ O₁ O₂ X₂ O₂
• C) X O₁ O₂ X O₁ O₂
• D) R X₁ O₁ R X₁ O₁

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Definitions:

Typology

A classification system based on systematic organization of types, often used for comparing phenomena or defining categories.

Sociogram

A visual diagram that represents the relationships and social interactions within a group.

Metaphor

A figure of speech in which a word or phrase is applied to an object or action to which it is not literally applicable, suggesting a resemblance.

Nomination

Nomination refers to the process of officially suggesting someone for a position, role, or for receiving an honor or award.