A graduate student randomly assigns students in a class to taste either Coke or Pepsi.Students rate their liking for the soda on a scale from 1 to 10.This is an example of a(n)________ design.
A) one-group pretest-posttest
B) posttest-only
C) pretest only
D) pretest-posttest

Question

Quizplus · Accepted Answer

This is an example of a posttest-only design since the graduate student is only collecting data on participants' ratings of the soda after they taste it, without taking any measurements prior to the taste test. The other options are not applicable in this scenario.

A Graduate Student Randomly Assigns Students in a Class to Taste