A Researcher Studies the Relationship Between the Amount of Time

question 109

Multiple Choice

A researcher studies the relationship between the amount of time spent studying for an exam and the number of errors made.A sample of twenty students who have the same GPA are randomly assigned to one of four groups: 1,2,3,or 4 hours of study time.After studying the specified time,all students took an identical exam and the number of errors each student made was counted.
The independent variable in the above study is:

• A)number of errors made
• B)GPA of the students
• C)number of hours studied
• D)number of students in each group

---

Definitions:

Small Businesses

Enterprises with a small number of employees and relatively low volume of sales.

Horizontal Merger

Merger that joins firms in the same industry for the purpose of diversification, increasing customer bases, cutting costs, or expanding product lines.

Vertical Merger

Merger that combines firms operating at different levels in the production and marketing process.