When seeking random assignment of research participants:
A) with small samples, one by one random assignment is ideal
B) experimental conditions with larger groups of participants is better than small groups
C) group randomization is superior to block randomization
D) each individual must have an equal chance of being assigned to any of the conditions
E) larger sample sizes generally will produce more successful randomization

Question

Quizplus · Accepted Answer

D) Ensuring each individual has an equal chance of being assigned to any condition is a fundamental principle of random assignment, which helps to eliminate selection bias and ensures the comparability of groups. E) Larger sample sizes improve the likelihood that randomization will evenly distribute characteristics among groups, reducing the impact of outliers and enhancing the representativeness of the sample, thus leading to more successful randomization.

When Seeking Random Assignment of Research Participants