Which of the Following Designs Represents the Before-After with Control

question 109

Multiple Choice

Which of the following designs represents the Before-After with Control Group design?

• A) E = O₁ - O₂
• B) E = X - O
• C) E = (O₁ - O₂) + (O₃ - O₄)
• D) E = E + X + O
• E) E = (O₂ - O₁) + (O₄ - O₃)

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