Which Experimental Design Means That Two Groups of Test Units

question 113

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:

Observations

The act of monitoring or noticing something using the senses, often a key method in scientific study and empirical research.

Human Behavior

The range of actions and mannerisms exhibited by humans in conjunction with their environment, influenced by culture, attitudes, emotions, and genetics.

Social Policy

A set of guidelines and principles aimed at improving societal conditions and addressing public issues.

Ethnography

A qualitative research method used in social sciences to study cultures and communities through direct observation, participant observation, and other immersive techniques.