Minimizing Selection Bias in Experimental Design
Which strategy is most effective for minimizing selection bias when designing an experimental study with human participants?
A
Utilizing random assignment techniques when selecting participants for different groups.
B
Assigning participants based on their availability at the time of conducting the experiment.
C
Creating stratified groups based on subject preferences or self-selection into experiments.
D
Relying primarily on volunteers who show strong interest in the topic under investigation.
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