A group of 100 students is randomly chosen and divided into two groups. One group is taught typing using a set of new materials and the other using traditional methods. After instruction, typing speeds are compared to determine if the new materials improve learning. This type of study is a(n):
A) comparative experiment.
B) observational study.
C) prospective study.
D) retrospective study.

Question

Quizplus · Accepted Answer

This is a comparative experiment because two groups are being compared after being assigned to different methods of instruction. The purpose is to determine if the new materials are better than traditional methods.

A Group of 100 Students Is Randomly Chosen and Divided