If a researcher created two groups by assigning the first 30 people to show up to the experimental group and the last 30 to the control group, the process would violate the principle of:
A) variability
B) generalization
C) random assignment
D) correlational research

Question

Quizplus · Accepted Answer

The principle of random assignment requires that participants are assigned to groups in a random and unbiased manner. Assigning the first 30 people to one group and the last 30 to another group is not random and could introduce selection bias.

If a Researcher Created Two Groups by Assigning the First