Sue,an Instructor,wonders Whether Using a Red Pen to Correct Papers

question 47

Multiple Choice

Sue,an instructor,wonders whether using a red pen to correct papers is really necessary,as it has always seemed rather harsh to her.When her students complete a pretest,she randomly assigns them to a "Red Pen" group and a "Gold Pen" group,corrects their papers using the corresponding colored pens,and returns the students' papers.After her students complete the real exam,Sue compares the average scores of the Red and Gold groups.This is an example of a(n) ____.

• A)basic analysis of covariance experiment
• B)randomized block with homogenous groups experiment
• C)2 x 2 factorial experiment
• D)basic two group post-test only randomized experiment

---

Definitions:

March For Our Lives

Student-led protest on March 24, 2018, against gun violence and for gun control legislation in the United States.

Gun Control

The set of laws or policies that regulate the manufacture, sale, transfer, possession, modification, or use of firearms by civilians.

Full Freedom

A state or condition of being completely free, implying not only political and civil liberties but also freedom from oppression or restrictions.

Equality

The state or quality of being equal, especially in status, rights, and opportunities.