It is essential to the experimental design that a study includes random assignment, which means:
A) that questions are presented to participants in random order.
B) that participants are free to be in any group they choose.
C) that participants are placed in groups in an unbiased fashion.
D) that each participant completes a unique task.

Question

Quizplus · Accepted Answer

Random assignment refers to the process of placing study participants into different groups in a way that is free from bias, ensuring that each participant has an equal chance of being assigned to any group. This method is crucial for controlling for confounding variables and establishing causality in experimental designs.

It Is Essential to the Experimental Design That a Study