QuestionJuly 18, 2025

True experiments have which of the following?Select all that apply. A. Treatment & Control Groups B. Random Sampling C. Random Assignment to Groups D. A Post-Test

True experiments have which of the following?Select all that apply. A. Treatment & Control Groups B. Random Sampling C. Random Assignment to Groups D. A Post-Test
True experiments have which of the following?Select all that apply.
A. Treatment & Control Groups
B. Random Sampling
C. Random Assignment to Groups
D. A Post-Test

Solution
4.2(187 votes)

Answer

A. Treatment & Control Groups, C. Random Assignment to Groups Explanation 1. Identify Key Features of True Experiments True experiments typically include **treatment & control groups** and **random assignment to groups** to ensure that any observed effects are due to the treatment itself. 2. Evaluate Each Option A. Treatment & Control Groups - Essential for comparing outcomes. B. Random Sampling - Not necessary; focus is on random assignment. C. Random Assignment to Groups - Critical for ensuring group equivalence. D. A Post-Test - Common but not essential for defining a true experiment.

Explanation

1. Identify Key Features of True Experiments<br /> True experiments typically include **treatment & control groups** and **random assignment to groups** to ensure that any observed effects are due to the treatment itself.<br /><br />2. Evaluate Each Option<br /> A. Treatment & Control Groups - Essential for comparing outcomes.<br /> B. Random Sampling - Not necessary; focus is on random assignment.<br /> C. Random Assignment to Groups - Critical for ensuring group equivalence.<br /> D. A Post-Test - Common but not essential for defining a true experiment.
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