In Conducting a Randomized Comparative Experiment,an Experimenter Will Often Include

question 69

Multiple Choice

In conducting a randomized comparative experiment,an experimenter will often include a group of subjects,known as a control group,to receive a fake treatment.What is/are the reason(s) such a control group might be included in the experiment?

• A)To increase the number of subjects and hence increase the sensitivity of the experiment in detecting effects of the treatment
• B)To gain more complete understanding of any biases that might be present in the experiment
• C)To enable the experimenter to control the effects of outside variables,such as lurking variables,on the outcome of the experiment
• D)To repeat the experiment over a greater number of experimental subjects
• E)To enable the experimenter to more easily make a random assignment of subjects to the groups

---

Definitions:

Football Stadium

A facility specifically designed for hosting football (soccer or American football) games and associated events.

Economy Resources

The key inputs or assets utilized in the production of goods and services, typically categorized as land, labor, capital, and entrepreneurship.

Bananas

A tropical fruit that is elongated and curves, with soft flesh rich in starch covered by a rind, which may be green, yellow, red, purple, or brown when ripe.

Baseballs

Spherical balls used in the game of baseball, made of rubber or cork center wrapped in yarn and covered in leather.