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Using a Random Number Generator to Understand Randomization
To develop a practical understanding of both random sampling and random assignment, individuals can engage with an online random number generator. Utilizing such a tool provides a hands-on demonstration of how researchers rely on impartial, chance-based mechanisms to either select participants from a larger population or place them into specific experimental groups.
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Psychology @ OpenStax
Ch.2 Psychological Research - Psychology @ OpenStax
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Role of Random Assignment in Ensuring Group Comparability
A researcher wants to test if a new type of energy drink improves performance on a memory test. After recruiting 100 volunteers, which of the following procedures is the most effective way to create an experimental group (receives the energy drink) and a control group (receives a placebo)?
Block Randomization
Fallibility of Random Assignment
Random Assignment vs. Random Sampling
Modified Random Assignment
Software for Randomization
Using a Random Number Generator to Understand Randomization
Example of Simple Random Assignment
What is the primary function of random assignment in an experimental design?