Random _____ Is a Process That Ensures That Every Participant

Multiple Choice

Random _____ is a process that ensures that every participant has an equal chance of being in any one of the experimental conditions and is common in scientific research, whereas random _____ is when every member of the population has an equal chance of being a participant and is much less common in experimental studies.

A) sampling; assignment
B) sampling; error
C) assignment; block design
D) assignment; sampling